After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

When Jackie devises an offbeat plan of how to serve the customers at the diner, it's anything but smooth service; Dan begins to sell some furniture to make room for his new bride and her things.

After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.

Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.

After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

Penny and Leonard organize a paintball game, which results in mayhem when Sheldon becomes jealous of Amy; Koothrappali catches Anu with her ex-boyfriend; Stuart doesn't want to move in with Denise.

Robin is dismayed when Barney wants to have their rehearsal dinner at a laser tag arena; Ted aggravates Lily by not following through with a promise.

A man at the wedding intentionally stirs up trouble; Marshall finally arrives at the Farhampton Inn.

Robin and Ted try to get Barney to reveal secrets after he drinks too much; Marshall tries to avoid fighting with Lily.

The mother reveals how she met Ted and what she has been doing over the past eight years.

Penny and Leonard organize a paintball game, which results in mayhem when Sheldon becomes jealous of Amy; Koothrappali catches Anu with her ex-boyfriend; Stuart doesn't want to move in with Denise.

Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu.

Darlene worries about Mark making friends at his new school; Mark turns to Ben for personal advice; Becky finds herself thriving in college and starts thinking about her future plans.

When Jackie devises an offbeat plan of how to serve the customers at the diner, it's anything but smooth service; Dan begins to sell some furniture to make room for his new bride and her things.

Brent meets a new member of his extended family; Karen helps Wanda showcase her math skills; Ruby makes menu changes.

Oscar tries to catch a mouse; Brent and Hank invent a new game.

Lacey sets up an employee of the month program; Hank takes up a new hobby, and drives Emma crazy.

Hank believes he can run a gumball business, but Oscar lends his help and a hidden talent from Karen helps it succeed.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Blood is shed in the name of trivia when a contestant nearly breaks his nose in a moment of celebration, Man v. Food host Casey Webb makes a special guest appearance, and Ben makes dreams come true for two brothers who get their chance in the Cash C.

Brent meets a new member of his extended family; Karen helps Wanda showcase her math skills; Ruby makes menu changes.

Oscar tries to catch a mouse; Brent and Hank invent a new game.

Lacey sets up an employee of the month program; Hank takes up a new hobby, and drives Emma crazy.

Hank believes he can run a gumball business, but Oscar lends his help and a hidden talent from Karen helps it succeed.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Blood is shed in the name of trivia when a contestant nearly breaks his nose in a moment of celebration, Man v. Food host Casey Webb makes a special guest appearance, and Ben makes dreams come true for two brothers who get their chance in the Cash C.

Brent meets a new member of his extended family; Karen helps Wanda showcase her math skills; Ruby makes menu changes.

Oscar tries to catch a mouse; Brent and Hank invent a new game.

Lacey sets up an employee of the month program; Hank takes up a new hobby, and drives Emma crazy.

Hank believes he can run a gumball business, but Oscar lends his help and a hidden talent from Karen helps it succeed.

Louise starts to move into the Conners' home; Dan decides to sell the furniture set he bought for Roseanne when they were first married; Dan soon finds parting with the furniture harder than he thought it would be.

Robin is dismayed when Barney wants to have their rehearsal dinner at a laser tag arena; Ted aggravates Lily by not following through with a promise.

A man at the wedding intentionally stirs up trouble; Marshall finally arrives at the Farhampton Inn.

Robin and Ted try to get Barney to reveal secrets after he drinks too much; Marshall tries to avoid fighting with Lily.

The mother reveals how she met Ted and what she has been doing over the past eight years.

Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

Louise starts to move into the Conners' home; Dan decides to sell the furniture set he bought for Roseanne when they were first married; Dan soon finds parting with the furniture harder than he thought it would be.

Darlene brings Nick to the hardware store, where they run into Ben, who invites Nick to join him at The Lunch Box to watch a Bears game; Dan tries to spruce up the bedroom while Louise is out on the road; Jackie meets Logan's mom.

Robin and Ted reminisce about past relationships as they search for a drunken Barney on the day of the wedding; Lily and Marshall come to a resolution; Barney befriends two men who are eager to meet women.

The gang must figure out how to make the Stinson Hangover Fixer Elixir to help Barney recover on the day of the wedding.

Robin and Lily have a fight on the morning of the wedding; Barney can't decide what suit to wear; the gang watch a movie that Ted didn't want them to see.

Marshall asks Barney and Ted for help figuring out where Lily went in the middle of the night during their argument.

Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work.

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project.

Conan attempts to break a world record with Taika Waititi and meets podcast fan Riley in his unique container home.

Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work.

Robin and Ted reminisce about past relationships as they search for a drunken Barney on the day of the wedding; Lily and Marshall come to a resolution; Barney befriends two men who are eager to meet women.

The gang must figure out how to make the Stinson Hangover Fixer Elixir to help Barney recover on the day of the wedding.

Robin and Lily have a fight on the morning of the wedding; Barney can't decide what suit to wear; the gang watch a movie that Ted didn't want them to see.

Marshall asks Barney and Ted for help figuring out where Lily went in the middle of the night during their argument.

Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work.

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project.

Louise starts to move into the Conners' home; Dan decides to sell the furniture set he bought for Roseanne when they were first married; Dan soon finds parting with the furniture harder than he thought it would be.

Darlene brings Nick to the hardware store, where they run into Ben, who invites Nick to join him at The Lunch Box to watch a Bears game; Dan tries to spruce up the bedroom while Louise is out on the road; Jackie meets Logan's mom.

Brents finds a way to stop Oscar from saying the J-word, but discovers it might not have been so bad.

Hank and Davis lead the fight against a call center that might come to Dog River.

Lacey is suspicious of the illegal duplication of Dog River money; Hank gets a case of pink eye, causing Brent and Wanda to panic in Corner Gas; Karen is frustrated with Davis.

Emma goes Christmas shopping early making everyone curious to find out what they are getting.

Karen and Davis figure out a way to get Emma to do free cleaning.

Oscar and Emma discover an easy way to make some fast money; Davis decides to take off with Brent's car.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.

The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.

Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy; Penny has a difficult time connecting with Leonard's visiting mother.

Leonard's recently divorced parents and Sheldon's devoutly religious mother visit; when they are contacted about their guidance system, Wolowitz and Koothrappali think the government is after them.

The group struggles through an awkward morning after Sheldon's mother and Leonard's father spend an evening together; Penny's family arrives.

Wolowitz has a meeting with Colonel Williams, a representative from the Air Force Department of Material Command.

Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feeling about her pregnancy.

After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.

Things do not run smoothly when Amy moves in with Sheldon, and Leonard and Penny have to intervene; Howard and Bernadette find unexpected guests at their house when they decide to cancel their vacation plans.

Penny learns there are fans of her performance in "Serial Ape-ist" when she and Leonard attend a Comic Con event; Amy hosts a brunch at Penny's apartment; Wolowitz makes an impulsive purchase.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.

The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.

Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy; Penny has a difficult time connecting with Leonard's visiting mother.

Leonard's recently divorced parents and Sheldon's devoutly religious mother visit; when they are contacted about their guidance system, Wolowitz and Koothrappali think the government is after them.

The group struggles through an awkward morning after Sheldon's mother and Leonard's father spend an evening together; Penny's family arrives.

Wolowitz has a meeting with Colonel Williams, a representative from the Air Force Department of Material Command.

Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feeling about her pregnancy.

After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.

Things do not run smoothly when Amy moves in with Sheldon, and Leonard and Penny have to intervene; Howard and Bernadette find unexpected guests at their house when they decide to cancel their vacation plans.

Penny learns there are fans of her performance in "Serial Ape-ist" when she and Leonard attend a Comic Con event; Amy hosts a brunch at Penny's apartment; Wolowitz makes an impulsive purchase.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.

The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.

Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy; Penny has a difficult time connecting with Leonard's visiting mother.

Leonard's recently divorced parents and Sheldon's devoutly religious mother visit; when they are contacted about their guidance system, Wolowitz and Koothrappali think the government is after them.

The group struggles through an awkward morning after Sheldon's mother and Leonard's father spend an evening together; Penny's family arrives.

Wolowitz has a meeting with Colonel Williams, a representative from the Air Force Department of Material Command.

Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feeling about her pregnancy.

After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.

Things do not run smoothly when Amy moves in with Sheldon, and Leonard and Penny have to intervene; Howard and Bernadette find unexpected guests at their house when they decide to cancel their vacation plans.

Penny learns there are fans of her performance in "Serial Ape-ist" when she and Leonard attend a Comic Con event; Amy hosts a brunch at Penny's apartment; Wolowitz makes an impulsive purchase.

Lacey gets invited to join the Dog River Women's Club, but soon realises that it isn't right for her.

It's the eve of Brent's 40th birthday; to celebrate, the town has planned a midnight party complete with fireworks and a parade.

Lacey is the unlikely champion of an eating contest; Emma enjoys the pleasures of an MP3 player.

Brent and Lacey sponsor Davis' football team; Karen's reckless driving puts Hank in the driver's seat.

Brent offers self-serve; Lacey goes buffet style at the Ruby.

The air conditioner breaks at Corner Gas; Karen and Davis win the meat lottery.

After bleaching his teeth, Ross discovers they glow in the dark; Joey's new roommate wants to redecorate.

Chandler finds out Monica never told her parents he was living with her; Rachel tries her hand at making dessert.

Janine invites Joey, Monica and Ross to a TV taping; Phoebe and Rachel want an early glimpse at their Christmas gifts.

Janine's attitude causes strife between Joey and his friends; Rachel gets an apothecary table from a flea market.

Ross and Chandler argue over authorship of a joke; a question from Monica puts Phoebe on the spot; Joey reluctantly takes a job at Central Perk.

Rachel is worried about her sister's flirtation with Ross; sickly Monica is well enough to seduce Chandler; Joey uses free food to lure women to date him.

Rachel and her sister get into a heated sibling rivalry over Ross; Chandler confesses he hasn't cried since he was a child.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

Chandler's anniversary gift to Monica is really one an ex-girlfriend gave him; Joey hires a look-alike; Ross tries to teach martial arts to Rachel.

Ross toys with dating one of his students; a curling iron starts a fire in Phoebe and Rachel's apartment.

Monica and Phoebe compete to find Rachel a date; Joey tries to con his friends into buying him a new refrigerator.

Chandler jeopardizes Joey's chances for the lead role in a TV series when he forgets to take down a message.

Ross recruits some friends to go with him on his first meeting with Elizabeth's father (Bruce Willis); Phoebe makes Chandler and Monica paranoid by chronicling their every move.

After bleaching his teeth, Ross discovers they glow in the dark; Joey's new roommate wants to redecorate.

Chandler finds out Monica never told her parents he was living with her; Rachel tries her hand at making dessert.

Janine invites Joey, Monica and Ross to a TV taping; Phoebe and Rachel want an early glimpse at their Christmas gifts.

Janine's attitude causes strife between Joey and his friends; Rachel gets an apothecary table from a flea market.

Ross and Chandler argue over authorship of a joke; a question from Monica puts Phoebe on the spot; Joey reluctantly takes a job at Central Perk.

Rachel is worried about her sister's flirtation with Ross; sickly Monica is well enough to seduce Chandler; Joey uses free food to lure women to date him.

Rachel and her sister get into a heated sibling rivalry over Ross; Chandler confesses he hasn't cried since he was a child.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

Chandler's anniversary gift to Monica is really one an ex-girlfriend gave him; Joey hires a look-alike; Ross tries to teach martial arts to Rachel.

Ross toys with dating one of his students; a curling iron starts a fire in Phoebe and Rachel's apartment.

Monica and Phoebe compete to find Rachel a date; Joey tries to con his friends into buying him a new refrigerator.

Chandler jeopardizes Joey's chances for the lead role in a TV series when he forgets to take down a message.

Ross recruits some friends to go with him on his first meeting with Elizabeth's father (Bruce Willis); Phoebe makes Chandler and Monica paranoid by chronicling their every move.

After bleaching his teeth, Ross discovers they glow in the dark; Joey's new roommate wants to redecorate.

Chandler finds out Monica never told her parents he was living with her; Rachel tries her hand at making dessert.

Janine invites Joey, Monica and Ross to a TV taping; Phoebe and Rachel want an early glimpse at their Christmas gifts.

Janine's attitude causes strife between Joey and his friends; Rachel gets an apothecary table from a flea market.

Ross and Chandler argue over authorship of a joke; a question from Monica puts Phoebe on the spot; Joey reluctantly takes a job at Central Perk.

Rachel is worried about her sister's flirtation with Ross; sickly Monica is well enough to seduce Chandler; Joey uses free food to lure women to date him.

Rachel and her sister get into a heated sibling rivalry over Ross; Chandler confesses he hasn't cried since he was a child.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

Chandler's anniversary gift to Monica is really one an ex-girlfriend gave him; Joey hires a look-alike; Ross tries to teach martial arts to Rachel.

Ross toys with dating one of his students; a curling iron starts a fire in Phoebe and Rachel's apartment.

Monica and Phoebe compete to find Rachel a date; Joey tries to con his friends into buying him a new refrigerator.

Chandler jeopardizes Joey's chances for the lead role in a TV series when he forgets to take down a message.

Ross recruits some friends to go with him on his first meeting with Elizabeth's father (Bruce Willis); Phoebe makes Chandler and Monica paranoid by chronicling their every move.

Karen's reputation as a woman of the law is marred when an accidental muffin incident causes chaos for the team.

Oscar and Emma enjoy Lacey's company in their new hot tub a lot more than Lacey enjoys theirs; the police department introduces Safety Pete.

Oscar is disturbed to learn he and Emma have different notions about their final resting place; Wanda becomes obsessed with a productivity app while Lacey and Hank talk Brent into renovations.

It's Halloween in Dog River and Brent, Lacey, Wanda, and Hank face a possible haunting at Brent's house; Oscar and Emma realize angry teenagers are targeting them for pranks and recruit Karen and Davis to help them defend their home.

Ben puts a father and son team to the test with the help of special guest star Andrew Zimmern (The Zimmern List); Ben experiences a CASH CAB first during a street shout out; one rider receives the ultimate Birthday present.

Ben puts two contestants in the hot seat with help of celebrity guest and FAST N' LOUD host Richard Rawlings; best friends are reminded why you should always go with your gut; the ultimate CASH CAB comeback.

Karen's reputation as a woman of the law is marred when an accidental muffin incident causes chaos for the team.

Oscar and Emma enjoy Lacey's company in their new hot tub a lot more than Lacey enjoys theirs; the police department introduces Safety Pete.

Oscar is disturbed to learn he and Emma have different notions about their final resting place; Wanda becomes obsessed with a productivity app while Lacey and Hank talk Brent into renovations.

It's Halloween in Dog River and Brent, Lacey, Wanda, and Hank face a possible haunting at Brent's house; Oscar and Emma realize angry teenagers are targeting them for pranks and recruit Karen and Davis to help them defend their home.

Ben puts a father and son team to the test with the help of special guest star Andrew Zimmern (The Zimmern List); Ben experiences a CASH CAB first during a street shout out; one rider receives the ultimate Birthday present.

Ben puts two contestants in the hot seat with help of celebrity guest and FAST N' LOUD host Richard Rawlings; best friends are reminded why you should always go with your gut; the ultimate CASH CAB comeback.

Karen's reputation as a woman of the law is marred when an accidental muffin incident causes chaos for the team.

Oscar and Emma enjoy Lacey's company in their new hot tub a lot more than Lacey enjoys theirs; the police department introduces Safety Pete.

Oscar is disturbed to learn he and Emma have different notions about their final resting place; Wanda becomes obsessed with a productivity app while Lacey and Hank talk Brent into renovations.

It's Halloween in Dog River and Brent, Lacey, Wanda, and Hank face a possible haunting at Brent's house; Oscar and Emma realize angry teenagers are targeting them for pranks and recruit Karen and Davis to help them defend their home.

The Conners celebrate Mark when he makes it on the dean's list at his new magnet school; Jackie continues to navigate her relationship with Neville.

There's no sound, but there sure are plenty of laughs. This crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters! People are caught in a twisted yet funny web of comedic deception. This updated "Candid Camera" is a tad more risque and a little kookier with its practical jokes. The little snippets last only a few minutes, and some look more painful than others.

There's no sound, but there sure are plenty of laughs. This crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters! People are caught in a twisted yet funny web of comedic deception. This updated "Candid Camera" is a tad more risque and a little kookier with its practical jokes. The little snippets last only a few minutes, and some look more painful than others.

There's no sound, but there sure are plenty of laughs. This crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters! People are caught in a twisted yet funny web of comedic deception. This updated "Candid Camera" is a tad more risque and a little kookier with its practical jokes. The little snippets last only a few minutes, and some look more painful than others.

There's no sound, but there sure are plenty of laughs. This crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters! People are caught in a twisted yet funny web of comedic deception. This updated "Candid Camera" is a tad more risque and a little kookier with its practical jokes. The little snippets last only a few minutes, and some look more painful than others.

Amy lies about repairs being made to her apartment so she can continue living with Sheldon; Leonard lets Penny decorate Sheldon's old room.

Sheldon is determined to convince Amy they should procreate; Koothrappali is reluctant to tell the gang what the new woman he's dating does for a living.

Sheldon gets jealous when a co-worker wins an award; Wolowitz finds an old remote control Stephen Hawking action figure that he made.

The Conners celebrate Mark when he makes it on the dean's list at his new magnet school; Jackie continues to navigate her relationship with Neville.

Darlene continues to navigate her breakup with Ben; Dan offers to talk with Aldo's dad when he doesn't approve of Harris and Aldo's relationship.

George Sr. is asked to help with the football team; Mandy discovers Georgie and Meemaw's secret business.

Sheldon's search for a comic book leads him to a breakthrough; Georgie and Mandy have an uncomfortable first encounter with her parents.

Sheldon's database invention puts him at odds with the university; the church takes issue with Meemaw's video store.

Sheldon considers dropping out of college to focus on building his database; George Sr. is frustrated when someone else gets credit for his football wins.

Amy lies about repairs being made to her apartment so she can continue living with Sheldon; Leonard lets Penny decorate Sheldon's old room.

Sheldon is determined to convince Amy they should procreate; Koothrappali is reluctant to tell the gang what the new woman he's dating does for a living.

Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend; Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip aboard the "vomit comet.".

Refinery employees balance the conflicting personalities of a small town with the antics of a stressful workplace.

Sheldon gets jealous when a co-worker wins an award; Wolowitz finds an old remote control Stephen Hawking action figure that he made.

Darlene continues to navigate her breakup with Ben; Dan offers to talk with Aldo's dad when he doesn't approve of Harris and Aldo's relationship.

Amy lies about repairs being made to her apartment so she can continue living with Sheldon; Leonard lets Penny decorate Sheldon's old room.

Sheldon is determined to convince Amy they should procreate; Koothrappali is reluctant to tell the gang what the new woman he's dating does for a living.

Sheldon gets jealous when a co-worker wins an award; Wolowitz finds an old remote control Stephen Hawking action figure that he made.

Refinery employees balance the conflicting personalities of a small town with the antics of a stressful workplace.

George Sr. is asked to help with the football team; Mandy discovers Georgie and Meemaw's secret business.

Sheldon's search for a comic book leads him to a breakthrough; Georgie and Mandy have an uncomfortable first encounter with her parents.

Sheldon's database invention puts him at odds with the university; the church takes issue with Meemaw's video store.

Sheldon considers dropping out of college to focus on building his database; George Sr. is frustrated when someone else gets credit for his football wins.

Refinery employees balance the conflicting personalities of a small town with the antics of a stressful workplace.

The Conners celebrate Mark when he makes it on the dean's list at his new magnet school; Jackie continues to navigate her relationship with Neville.

Darlene continues to navigate her breakup with Ben; Dan offers to talk with Aldo's dad when he doesn't approve of Harris and Aldo's relationship.

Wanda becomes a reporter for the Howler; Brent takes guitar lessons.

Brent tries to prove he is the biggest Saskatchewan Roughriders fan.

Brent, Lacey, Oscar, Hank, Davis, Karen, Wanda, and Emma are all getting a cartoon makeover as they return to Dog River for more adventures.

There's a food shortage at Corner Gas, causing a panic in Dog River; Lacey takes advantage of the situation by offering locals "exotic" recipes at The Ruby.

Two longtime friends make the ultimate mistake; a group of bar buddies take their best shot in the cab; PROPERTY BROTHERS Drew and Jonathan Scott are back to help Ben quiz some lucky contestants.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Wanda becomes a reporter for the Howler; Brent takes guitar lessons.

Brent tries to prove he is the biggest Saskatchewan Roughriders fan.

Brent, Lacey, Oscar, Hank, Davis, Karen, Wanda, and Emma are all getting a cartoon makeover as they return to Dog River for more adventures.

There's a food shortage at Corner Gas, causing a panic in Dog River; Lacey takes advantage of the situation by offering locals "exotic" recipes at The Ruby.

Two longtime friends make the ultimate mistake; a group of bar buddies take their best shot in the cab; PROPERTY BROTHERS Drew and Jonathan Scott are back to help Ben quiz some lucky contestants.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Wanda becomes a reporter for the Howler; Brent takes guitar lessons.

Brent tries to prove he is the biggest Saskatchewan Roughriders fan.

Brent, Lacey, Oscar, Hank, Davis, Karen, Wanda, and Emma are all getting a cartoon makeover as they return to Dog River for more adventures.

There's a food shortage at Corner Gas, causing a panic in Dog River; Lacey takes advantage of the situation by offering locals "exotic" recipes at The Ruby.

Mark returns to public school and finds it hard to fit in; Darlene isn't happy when she finds out what Mark's doing to make a little extra cash for college; Becky finds herself in an interesting situation with one of her college professors.

George Sr. is asked to help with the football team; Mandy discovers Georgie and Meemaw's secret business.

Sheldon's search for a comic book leads him to a breakthrough; Georgie and Mandy have an uncomfortable first encounter with her parents.

Sheldon's database invention puts him at odds with the university; the church takes issue with Meemaw's video store.

Sheldon considers dropping out of college to focus on building his database; George Sr. is frustrated when someone else gets credit for his football wins.

Sheldon and Leonard disagree about how to divide their shared belongings; Koothrappali and Stuart fight to be the most helpful to Bernadette during her final weeks of pregnancy.

While Howard and Bernadette welcome their new baby into the world, Amy celebrates her own birthday with Sheldon.

Sheldon and Amy have their first fight since moving in together; Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.

Mark returns to public school and finds it hard to fit in; Darlene isn't happy when she finds out what Mark's doing to make a little extra cash for college; Becky finds herself in an interesting situation with one of her college professors.

Darlene falls in love with a house she's looking; when the realtor shares she has a better chance of getting the house if she's part of a couple, she convinces Ben to pretend to be her partner.

Elizabeth's father (Bruce Willis) threatens to get Ross fired if he does not stop dating his daughter.

Chandler asks Phoebe to help him choose a special ring; Rachel urges Paul (Bruce Willis) to express his feelings.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Sheldon and Leonard disagree about how to divide their shared belongings; Koothrappali and Stuart fight to be the most helpful to Bernadette during her final weeks of pregnancy.

While Howard and Bernadette welcome their new baby into the world, Amy celebrates her own birthday with Sheldon.

The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith.

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is left in charge of the kids; Sheldon finds a book about experimenting on kids.

Sheldon and Amy have their first fight since moving in together; Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.

Darlene falls in love with a house she's looking; when the realtor shares she has a better chance of getting the house if she's part of a couple, she convinces Ben to pretend to be her partner.

Sheldon and Leonard disagree about how to divide their shared belongings; Koothrappali and Stuart fight to be the most helpful to Bernadette during her final weeks of pregnancy.

While Howard and Bernadette welcome their new baby into the world, Amy celebrates her own birthday with Sheldon.

Sheldon and Amy have their first fight since moving in together; Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.

The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith.

Elizabeth's father (Bruce Willis) threatens to get Ross fired if he does not stop dating his daughter.

Chandler asks Phoebe to help him choose a special ring; Rachel urges Paul (Bruce Willis) to express his feelings.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith.

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is left in charge of the kids; Sheldon finds a book about experimenting on kids.

Mark returns to public school and finds it hard to fit in; Darlene isn't happy when she finds out what Mark's doing to make a little extra cash for college; Becky finds herself in an interesting situation with one of her college professors.

Darlene falls in love with a house she's looking; when the realtor shares she has a better chance of getting the house if she's part of a couple, she convinces Ben to pretend to be her partner.

Oscar kicks off the New Year with startling news about his national identity; the gang gets involved in a resolution contest.

Brent pleads with Hank not to embarrass him when they go to see Brent's favorite comic book writer.

Wanda, Hank, and Lacey attempt to terrorize Brent with a Sasquatch hoax; Davis and Emma's obsession with a fantasy TV show called THRONE STRIFE forces Karen and Oscar to spend time together.

Brent and the citizens of Dog River are annoyed when Lacey tries to make them eat local; Davis tries to train bees; Wanda sells homemade candles.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Oscar kicks off the New Year with startling news about his national identity; the gang gets involved in a resolution contest.

Brent pleads with Hank not to embarrass him when they go to see Brent's favorite comic book writer.

Wanda, Hank, and Lacey attempt to terrorize Brent with a Sasquatch hoax; Davis and Emma's obsession with a fantasy TV show called THRONE STRIFE forces Karen and Oscar to spend time together.

Brent and the citizens of Dog River are annoyed when Lacey tries to make them eat local; Davis tries to train bees; Wanda sells homemade candles.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Oscar kicks off the New Year with startling news about his national identity; the gang gets involved in a resolution contest.

Brent pleads with Hank not to embarrass him when they go to see Brent's favorite comic book writer.

Wanda, Hank, and Lacey attempt to terrorize Brent with a Sasquatch hoax; Davis and Emma's obsession with a fantasy TV show called THRONE STRIFE forces Karen and Oscar to spend time together.

Brent and the citizens of Dog River are annoyed when Lacey tries to make them eat local; Davis tries to train bees; Wanda sells homemade candles.

The family is locked down at home due to a shooting incident in the neighborhood.

Elizabeth's father (Bruce Willis) threatens to get Ross fired if he does not stop dating his daughter.

Chandler asks Phoebe to help him choose a special ring; Rachel urges Paul (Bruce Willis) to express his feelings.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Leonard and Penny offer Sheldon's old room to Raj after he moves out of his apartment.

Leonard, Penny and Raj settle into their new living arrangement; Sheldon expresses interest in Amy's work.

Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day; Bernadette nears the end of her maternity leave and must return to work.

The family is locked down at home due to a shooting incident in the neighborhood.

When Becky inadvertently outs her relationship with professor Davis, it's his erratic behavior that sends Becky down a path to reevaluate their relationship; Dan and Darlene check in on Chuck, only to learn heartbreaking news about his family.

Monica feels that Rachel is trying to steal the spotlight from her engagement; Chandler worries about his performance in the bedroom.

Monica learns what her parents have done with her wedding fund; Joey teases Rachel about her late-night reading material.

Chandler's efforts to bond with Monica's father (Elliott Gould) backfire during a racquetball game; Rachel tries to teach Joey how to sail; Monica tries to replicate Phoebe's grandmother's cookie recipe.

Rachel considers hiring an inexperienced but handsome man over a better qualified woman as her executive assistant.

Leonard and Penny offer Sheldon's old room to Raj after he moves out of his apartment.

Leonard, Penny and Raj settle into their new living arrangement; Sheldon expresses interest in Amy's work.

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day; Bernadette nears the end of her maternity leave and must return to work.

When Becky inadvertently outs her relationship with professor Davis, it's his erratic behavior that sends Becky down a path to reevaluate their relationship; Dan and Darlene check in on Chuck, only to learn heartbreaking news about his family.

Leonard and Penny offer Sheldon's old room to Raj after he moves out of his apartment.

Leonard, Penny and Raj settle into their new living arrangement; Sheldon expresses interest in Amy's work.

Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day; Bernadette nears the end of her maternity leave and must return to work.

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

Monica feels that Rachel is trying to steal the spotlight from her engagement; Chandler worries about his performance in the bedroom.

Monica learns what her parents have done with her wedding fund; Joey teases Rachel about her late-night reading material.

Chandler's efforts to bond with Monica's father (Elliott Gould) backfire during a racquetball game; Rachel tries to teach Joey how to sail; Monica tries to replicate Phoebe's grandmother's cookie recipe.

Rachel considers hiring an inexperienced but handsome man over a better qualified woman as her executive assistant.

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

The family is locked down at home due to a shooting incident in the neighborhood.

When Becky inadvertently outs her relationship with professor Davis, it's his erratic behavior that sends Becky down a path to reevaluate their relationship; Dan and Darlene check in on Chuck, only to learn heartbreaking news about his family.

After an incident leaves the townsfolk puzzled, Karen tries to convince the entire town that she is not actually a crazy cat lady.

Davis is sent to a sensitivity course after making too many blonde jokes.

Wanda and Lacey entice the residents of Dog River with clickbait texts, while Oscar sets up a bait shop across the street from Corner Gas to teach Brent a business lesson; Davis and Karen involve Hank in a training exercise with chaotic results.

The sewer system backs up and causes chaos; Emma tries to trick Oscar into getting an updated family portrait.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

After an incident leaves the townsfolk puzzled, Karen tries to convince the entire town that she is not actually a crazy cat lady.

Davis is sent to a sensitivity course after making too many blonde jokes.

Wanda and Lacey entice the residents of Dog River with clickbait texts, while Oscar sets up a bait shop across the street from Corner Gas to teach Brent a business lesson; Davis and Karen involve Hank in a training exercise with chaotic results.

The sewer system backs up and causes chaos; Emma tries to trick Oscar into getting an updated family portrait.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

After an incident leaves the townsfolk puzzled, Karen tries to convince the entire town that she is not actually a crazy cat lady.

Davis is sent to a sensitivity course after making too many blonde jokes.

Wanda and Lacey entice the residents of Dog River with clickbait texts, while Oscar sets up a bait shop across the street from Corner Gas to teach Brent a business lesson; Davis and Karen involve Hank in a training exercise with chaotic results.

The sewer system backs up and causes chaos; Emma tries to trick Oscar into getting an updated family portrait.

Darlene searches for a home that she and Becky can afford; after an attempt to boost business at the diner goes awry, Jackie finds herself apologizing to Ben and rethinking her future running the place.

Monica feels that Rachel is trying to steal the spotlight from her engagement; Chandler worries about his performance in the bedroom.

Monica learns what her parents have done with her wedding fund; Joey teases Rachel about her late-night reading material.

Chandler's efforts to bond with Monica's father (Elliott Gould) backfire during a racquetball game; Rachel tries to teach Joey how to sail; Monica tries to replicate Phoebe's grandmother's cookie recipe.

Rachel considers hiring an inexperienced but handsome man over a better qualified woman as her executive assistant.

Howard and Bernadette struggle to leave Halley in day care; Bert introduces the gang to his new girlfriend, Rebecca.

Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend.

After celebrating the completion of the top-secret Air Force project, Leonard, Sheldon and Wolowitz get an unwelcome surprise; Amy receives an offer for a summer position as a visiting researcher.

Darlene searches for a home that she and Becky can afford; after an attempt to boost business at the diner goes awry, Jackie finds herself apologizing to Ben and rethinking her future running the place.

Dan enlists the help of a few good friends for the funeral home remodel; Louise points out that Dan's generosity with his time seems to benefit everyone but her; Robin and Darlene take a big career risk that may not pay off the way they expect it to.

The members of the gang try to remember an encounter with Gary Blauman when he shows up at the wedding.

With only a half an hour left before the wedding, Robin and Barney panic; Lily and Marshall rewrite their wedding vows.

Ted's kids hear the end of the story of how he met their mother.

Ted's kids hear the end of the story of how he met their mother.

Howard and Bernadette struggle to leave Halley in day care; Bert introduces the gang to his new girlfriend, Rebecca.

Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend.

Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life; Leonard wants to be the principal investigator on a plasma physics study.

Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

After celebrating the completion of the top-secret Air Force project, Leonard, Sheldon and Wolowitz get an unwelcome surprise; Amy receives an offer for a summer position as a visiting researcher.

Dan enlists the help of a few good friends for the funeral home remodel; Louise points out that Dan's generosity with his time seems to benefit everyone but her; Robin and Darlene take a big career risk that may not pay off the way they expect it to.

Howard and Bernadette struggle to leave Halley in day care; Bert introduces the gang to his new girlfriend, Rebecca.

Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend.

After celebrating the completion of the top-secret Air Force project, Leonard, Sheldon and Wolowitz get an unwelcome surprise; Amy receives an offer for a summer position as a visiting researcher.

Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life; Leonard wants to be the principal investigator on a plasma physics study.

The members of the gang try to remember an encounter with Gary Blauman when he shows up at the wedding.

With only a half an hour left before the wedding, Robin and Barney panic; Lily and Marshall rewrite their wedding vows.

Ted's kids hear the end of the story of how he met their mother.

Ted's kids hear the end of the story of how he met their mother.

Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life; Leonard wants to be the principal investigator on a plasma physics study.

Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

Darlene searches for a home that she and Becky can afford; after an attempt to boost business at the diner goes awry, Jackie finds herself apologizing to Ben and rethinking her future running the place.

Dan enlists the help of a few good friends for the funeral home remodel; Louise points out that Dan's generosity with his time seems to benefit everyone but her; Robin and Darlene take a big career risk that may not pay off the way they expect it to.

Brent finds a creative way to get through a week of no TV with the help of Hank and Wanda.

Wanda's new way of getting around town brings a European flair to Dog River; Hank's new greeting puts him in an awkward situation with Emma.

Brent and Hank take a trip down memory lane by stealing crab apples from a neighbor's yard; no one wants Oscar on their charades team; Davis and Wanda discover he benefits of complaining.

David tries to buy the original R2-D2 after Hank buys a robot online.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent finds a creative way to get through a week of no TV with the help of Hank and Wanda.

Wanda's new way of getting around town brings a European flair to Dog River; Hank's new greeting puts him in an awkward situation with Emma.

Brent and Hank take a trip down memory lane by stealing crab apples from a neighbor's yard; no one wants Oscar on their charades team; Davis and Wanda discover he benefits of complaining.

David tries to buy the original R2-D2 after Hank buys a robot online.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent finds a creative way to get through a week of no TV with the help of Hank and Wanda.

Wanda's new way of getting around town brings a European flair to Dog River; Hank's new greeting puts him in an awkward situation with Emma.

Brent and Hank take a trip down memory lane by stealing crab apples from a neighbor's yard; no one wants Oscar on their charades team; Davis and Wanda discover he benefits of complaining.

David tries to buy the original R2-D2 after Hank buys a robot online.

Darlene struggles to cope with the stress of construction; Lou returns as Mark's combative contrabassoon teacher.

The members of the gang try to remember an encounter with Gary Blauman when he shows up at the wedding.

With only a half an hour left before the wedding, Robin and Barney panic; Lily and Marshall rewrite their wedding vows.

Ted's kids hear the end of the story of how he met their mother.

Ted's kids hear the end of the story of how he met their mother.

The gang is concerned when Sheldon's former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.

Amy answers Sheldon's marriage proposal; Howard and Bernadette struggle with unexpected news.

Leonard's job is at stake after he gives an embarrassing radio interview; Amy and Bernadette bond over having to hide their success from Sheldon and Howard.

Darlene struggles to cope with the stress of construction; Lou returns as Mark's combative contrabassoon teacher.

Ben and Darlene are excited to share their good news with the family, but Neville, Jackie, Aldo and Harris share some very similar news of their own.

When Robin must leave in the middle of their first date, Ted can hardly wait to see her again, and his eagerness threatens to scare her away.

Hoping to spend more time with Robin, Ted throws a series of parties at his apartment.

Ted agrees to let Barney spice up his love life, so he ends up on an adventure of flying to Philadelphia, encountering the law and visiting the Liberty Bell.

Ted reconnects with an old shirt and sees a parallel to his love life, beginning to think that a woman from his past is perfect for him now.

The gang is concerned when Sheldon's former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.

Amy answers Sheldon's marriage proposal; Howard and Bernadette struggle with unexpected news.

Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

Sheldon and Amy await big news.

After finally delivering a long overdue Team Coco shirt to a loyal fan, Conan performs with the Vienna Boys' Choir and channels his inner Freud.

The gang is concerned when Sheldon's former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.

Amy answers Sheldon's marriage proposal; Howard and Bernadette struggle with unexpected news.

Leonard's job is at stake after he gives an embarrassing radio interview; Amy and Bernadette bond over having to hide their success from Sheldon and Howard.

Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

When Robin must leave in the middle of their first date, Ted can hardly wait to see her again, and his eagerness threatens to scare her away.

Hoping to spend more time with Robin, Ted throws a series of parties at his apartment.

Ted agrees to let Barney spice up his love life, so he ends up on an adventure of flying to Philadelphia, encountering the law and visiting the Liberty Bell.

Ted reconnects with an old shirt and sees a parallel to his love life, beginning to think that a woman from his past is perfect for him now.

Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

Sheldon and Amy await big news.

Darlene struggles to cope with the stress of construction; Lou returns as Mark's combative contrabassoon teacher.

Ben and Darlene are excited to share their good news with the family, but Neville, Jackie, Aldo and Harris share some very similar news of their own.

Emma causes tension at the elementary school after a teacher leaves her in charge.

As a windstorm creates havoc, Lacey's sign on her rooftop begins to lose all of the letters one by one.

Brent has an opportunity to pursue his dream, but his weekly disappearances causes rumours to circulate.

A big city girl from Toronto moves in to run the coffee shop next door to the Corner Gas station.

A tax man comes to audit the Corner Gas business records; Lacey's approach to selling coffee doesn't fly with the locals.

Lacey offers free Pilates classes; Oscar takes steps to avoid being buried in a cheap looking coffin.

As Sheldon stresses about picking a wedding date, Amy tries to convince him he has a more laid-back side; Koothrappali and Stuart compete to win the heart of Bernadette's new co-worker.

Wolowitz and Sheldon bond over having disappointing fathers; Leonard is disturbed when his mother finds a new best friend in Penny.

Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together; Penny and Leonard learn a secret from an unlikely source about dealing with Sheldon.

Sheldon auditions for the role of the new Professor Proton; Penny takes care of Halley when Bernadette and Wolowitz need bed rest.

Sheldon tries to keep his collaboration with Bert a secret; Penny and Bernadette coach Koothrappali on navigating his relationship with Ruchi.

Leonard and Wolowitz are furious when they learn Sheldon worked with the military behind their backs; Bernadette suspects Ruchi is trying to steal her job.

Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable investment; a seven-year-old video reveals a secret about Leonard and Penny's relationship.

Sheldon and Amy try to use math to eliminate wedding planning stress; Koothrappali "breaks up" with Wolowitz after realizing he is hurting his confidence.

Sheldon plans an authentic "Little House on the Prairie" dinner for Amy's birthday; Leonard receives a Christmas letter from his brother.

Sheldon and Amy subject their friends to a series of secret experiments to discover which two would be most qualified to be the best man and the maid of honor at their wedding; Penny reveals her true feelings about Amy.

Sheldon kicks Amy out to work solo; Amy and Leonard bond during a series of science experiments; Bert replaces Wolowitz in the band; Sheldon finds Penny a surprising source of scientific inspiration.

Koothrappali learns the woman he's dating has a very upset husband; Sheldon rents his old room for a quiet place to work.

Sheldon petitions Wil Wheaton to appear on the new "Professor Proton" show, but Wil offers a role to Amy instead; Penny gets angry when she thinks the female protagonist in Leonard's novel is based on her.

When Bernadette won't go into labor, her friends try different tactics to get things started; Wolowitz confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.

As Sheldon stresses about picking a wedding date, Amy tries to convince him he has a more laid-back side; Koothrappali and Stuart compete to win the heart of Bernadette's new co-worker.

Wolowitz and Sheldon bond over having disappointing fathers; Leonard is disturbed when his mother finds a new best friend in Penny.

Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together; Penny and Leonard learn a secret from an unlikely source about dealing with Sheldon.

Sheldon auditions for the role of the new Professor Proton; Penny takes care of Halley when Bernadette and Wolowitz need bed rest.

Sheldon tries to keep his collaboration with Bert a secret; Penny and Bernadette coach Koothrappali on navigating his relationship with Ruchi.

Leonard and Wolowitz are furious when they learn Sheldon worked with the military behind their backs; Bernadette suspects Ruchi is trying to steal her job.

Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable investment; a seven-year-old video reveals a secret about Leonard and Penny's relationship.

Sheldon and Amy try to use math to eliminate wedding planning stress; Koothrappali "breaks up" with Wolowitz after realizing he is hurting his confidence.

Sheldon plans an authentic "Little House on the Prairie" dinner for Amy's birthday; Leonard receives a Christmas letter from his brother.

Sheldon and Amy subject their friends to a series of secret experiments to discover which two would be most qualified to be the best man and the maid of honor at their wedding; Penny reveals her true feelings about Amy.

Sheldon kicks Amy out to work solo; Amy and Leonard bond during a series of science experiments; Bert replaces Wolowitz in the band; Sheldon finds Penny a surprising source of scientific inspiration.

Koothrappali learns the woman he's dating has a very upset husband; Sheldon rents his old room for a quiet place to work.

Sheldon petitions Wil Wheaton to appear on the new "Professor Proton" show, but Wil offers a role to Amy instead; Penny gets angry when she thinks the female protagonist in Leonard's novel is based on her.

When Bernadette won't go into labor, her friends try different tactics to get things started; Wolowitz confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.

As Sheldon stresses about picking a wedding date, Amy tries to convince him he has a more laid-back side; Koothrappali and Stuart compete to win the heart of Bernadette's new co-worker.

Wolowitz and Sheldon bond over having disappointing fathers; Leonard is disturbed when his mother finds a new best friend in Penny.

Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together; Penny and Leonard learn a secret from an unlikely source about dealing with Sheldon.

Sheldon auditions for the role of the new Professor Proton; Penny takes care of Halley when Bernadette and Wolowitz need bed rest.

Sheldon tries to keep his collaboration with Bert a secret; Penny and Bernadette coach Koothrappali on navigating his relationship with Ruchi.

Leonard and Wolowitz are furious when they learn Sheldon worked with the military behind their backs; Bernadette suspects Ruchi is trying to steal her job.

Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable investment; a seven-year-old video reveals a secret about Leonard and Penny's relationship.

Sheldon and Amy try to use math to eliminate wedding planning stress; Koothrappali "breaks up" with Wolowitz after realizing he is hurting his confidence.

Sheldon plans an authentic "Little House on the Prairie" dinner for Amy's birthday; Leonard receives a Christmas letter from his brother.

Sheldon and Amy subject their friends to a series of secret experiments to discover which two would be most qualified to be the best man and the maid of honor at their wedding; Penny reveals her true feelings about Amy.

Sheldon kicks Amy out to work solo; Amy and Leonard bond during a series of science experiments; Bert replaces Wolowitz in the band; Sheldon finds Penny a surprising source of scientific inspiration.

Koothrappali learns the woman he's dating has a very upset husband; Sheldon rents his old room for a quiet place to work.

Sheldon petitions Wil Wheaton to appear on the new "Professor Proton" show, but Wil offers a role to Amy instead; Penny gets angry when she thinks the female protagonist in Leonard's novel is based on her.

When Bernadette won't go into labor, her friends try different tactics to get things started; Wolowitz confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.

Brent agrees to baby-sit Wanda's troubled 6-year old son, Tanner, to impress Lacey.

Rookie cop Karen makes it her mission to find out who spray-painted "Grad 68" on the water tower.

Dog River decides to put up a giant landmark; Oscar struggles to stop a love-struck admirer from ruining his marriage.

When Lacey's ex-fiance from Toronto comes to visit, the people of Dog River take matters into their own hands to protect her from her past.

Dog River prepares for its annual talent show; Brent's cousin Carl, whom everyone seems to love, except Brent, comes for a visit.

Davis tries to keep up with Brent; Lacey tries to prove she has community spirit by trying to save one of the town's historic landmarks.

Rachel makes her handsome new assistant (Eddie Cahill) hang out with Joey rather than the women in her office.

Monica makes Chandler apologize to an old girlfriend (Stacy Galina) for leaving her because she was fat; Monica struggles to select a maid of honor.

Ross' doctoral dissertation is stored in a remote corner of the university library frequently used by students having sex; Rachel and Phoebe bond with Joey's date (Kristin Davis), then try to convince him to continue seeing her.

Three young men and three young women - of the BFF kind - live in the same apartment complex and face life and love in New York. They're not above sticking their noses into one another's business and swapping romantic partners, which always leads to the kind of hilarity average people will never experience - especially during breakups.

Rachel finds it embarrassing that she is paying the way for her hunky new boyfriend (Eddie Cahill), who is also her assistant at work.

Ross' attempts to introduce his son, Ben, to Hanukkah are thwarted by the tyke's like of all things Christmas.

Phoebe and Joey are at odds when she tries to cancel their weekly dinner plans so she can meet an old beau.

During their first night together, Rachel and Tag realize they forgot to ship out an important package at the office.

On her first day as a telemarketer, Phoebe encounters a distraught man (Jason Alexander) who is determined to end his life.

Celebrating Rachel's 30th birthday inspires the friends to reminisce about their own 30th birthdays - Joey got angry with God for breaking their deal; Ross bought a sports car; Monica got drunk and embarrassed herself at her surprise party.

Joey accidentally informs a cast member (Susan Sarandon) that she will be fired so that his character will get her character's brain.

Monica and Chandler fondly reminisce about London until a startling revelation leaves Chandler floored.

Monica regrets telling a woman about a discount bridal shop when they end up competing for a wedding dress.

Joey is overjoyed to be nominated for a "Soapie" award; engaged Monica frets when she realizes she will never experience the thrill of a new relationship again; Ross spots Chandler sneaking out of a male strip club.

Rachel makes her handsome new assistant (Eddie Cahill) hang out with Joey rather than the women in her office.

Monica makes Chandler apologize to an old girlfriend (Stacy Galina) for leaving her because she was fat; Monica struggles to select a maid of honor.

Ross' doctoral dissertation is stored in a remote corner of the university library frequently used by students having sex; Rachel and Phoebe bond with Joey's date (Kristin Davis), then try to convince him to continue seeing her.

Three young men and three young women - of the BFF kind - live in the same apartment complex and face life and love in New York. They're not above sticking their noses into one another's business and swapping romantic partners, which always leads to the kind of hilarity average people will never experience - especially during breakups.

Rachel finds it embarrassing that she is paying the way for her hunky new boyfriend (Eddie Cahill), who is also her assistant at work.

Ross' attempts to introduce his son, Ben, to Hanukkah are thwarted by the tyke's like of all things Christmas.

Phoebe and Joey are at odds when she tries to cancel their weekly dinner plans so she can meet an old beau.

During their first night together, Rachel and Tag realize they forgot to ship out an important package at the office.