Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate; Raj becomes Sheldon's roommate.

Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team.

Amy is caught in the middle when Penny and Sheldon get into an argument over a pre-owned chair; Leonard tries to make his long-distance relationship more exciting.

Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together.

Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.

Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity.

Sheldon finds himself competing with the gang for his mother's (Laurie Metcalf) attention when she visits.

An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends.

Amy is devastated when Penny and Bernadette shop for wedding dresses without her.

Davis shapes up; Brent and Lacey compete to get a secret from Karen.

Brent enters into a long-term relationship; Wanda's telescope.

A simple jar of jellybeans turns Dog River's park from a dilapidated local hazard into full-blown scandal.

Brent helps Lacey buy a new car; Karen and Davis try to break the idea of cops in donut shops.

Karen is upset when Emma cuts Brent's hair; Hank promises to stain Lacey's deck.

When a morning radio DJ impersonates Brent on his show, he goes out of his way to prove it's not him; Lacey is upset with her delivery service.

Ross helps put Carol and Susan's wedding plans back on track; Rachel's mother announces shocking new plans.

Joey starts dating a fan (Brooke Shields) who is gorgeous, but soon discovers that she's also crazy; Ross is reminded how much he misses his pet monkey and travels to the San Diego Zoo to find out what has happened to him.

Ross (David Schwimmer) catches up with Marcel on the set of a movie starring Jean-Claude Van Damme; Chandler gets a date with a girl he liked in fourth grade.

Monica's parents drop off some childhood keepsakes including her prom video.

Everyone at Monica's dad's birthday party finds it amusing that their middle-aged friend (Tom Selleck) is dating a woman in her 20s until Monica's parents learn that it is their daughter; Chandler and Joey argue over a dirty spoon.

Ross and Rachel become more than just friends; Monica caters a party for a dashing older doctor (Tom Selleck).

With Joey in his new apartment, Chandler gets a troublesome new roommate (Adam Goldberg); Phoebe makes a video for "Smelly Cat"; Ross and Monica find it nearly impossible to live together.

Joey's comments in a magazine for soap-opera fans could mean the end of his role on "Days of our Lives.".

Chandler wants his annoying new roommate (Adam Goldberg) to move out; Joey is facing some exorbitant bills; the girls learn from a book about personal empowerment.

Monica's boyfriend proves to be the life of the party when he attends a basketball game with Chandler and Joey.

Two bullies (Peter DeLuise, Nicky Katt) banish Ross and Chandler from Central Perk; Monica plays the stock market.

Rachel's separated parents (Marlo Thomas, Ron Leibman) unexpectedly attend her surprise birthday party.

Phoebe's romantic meeting with an old friend (Charlie Sheen) is stalled by a case of the chickenpox; Ben celebrates his first birthday; Monica frets about her relationship with Richard (Tom Selleck).

When ex-fiance Barry and Mindy's wedding day arrives, bridesmaid Rachel has flashbacks of her own failed wedding day.

Ross helps put Carol and Susan's wedding plans back on track; Rachel's mother announces shocking new plans.

Joey starts dating a fan (Brooke Shields) who is gorgeous, but soon discovers that she's also crazy; Ross is reminded how much he misses his pet monkey and travels to the San Diego Zoo to find out what has happened to him.

Ross (David Schwimmer) catches up with Marcel on the set of a movie starring Jean-Claude Van Damme; Chandler gets a date with a girl he liked in fourth grade.

Monica's parents drop off some childhood keepsakes including her prom video.

Everyone at Monica's dad's birthday party finds it amusing that their middle-aged friend (Tom Selleck) is dating a woman in her 20s until Monica's parents learn that it is their daughter; Chandler and Joey argue over a dirty spoon.

Ross and Rachel become more than just friends; Monica caters a party for a dashing older doctor (Tom Selleck).

With Joey in his new apartment, Chandler gets a troublesome new roommate (Adam Goldberg); Phoebe makes a video for "Smelly Cat"; Ross and Monica find it nearly impossible to live together.

Joey's comments in a magazine for soap-opera fans could mean the end of his role on "Days of our Lives.".

Chandler wants his annoying new roommate (Adam Goldberg) to move out; Joey is facing some exorbitant bills; the girls learn from a book about personal empowerment.

Monica's boyfriend proves to be the life of the party when he attends a basketball game with Chandler and Joey.

Two bullies (Peter DeLuise, Nicky Katt) banish Ross and Chandler from Central Perk; Monica plays the stock market.

Rachel's separated parents (Marlo Thomas, Ron Leibman) unexpectedly attend her surprise birthday party.

Phoebe's romantic meeting with an old friend (Charlie Sheen) is stalled by a case of the chickenpox; Ben celebrates his first birthday; Monica frets about her relationship with Richard (Tom Selleck).

When ex-fiance Barry and Mindy's wedding day arrives, bridesmaid Rachel has flashbacks of her own failed wedding day.

Ross helps put Carol and Susan's wedding plans back on track; Rachel's mother announces shocking new plans.

Joey starts dating a fan (Brooke Shields) who is gorgeous, but soon discovers that she's also crazy; Ross is reminded how much he misses his pet monkey and travels to the San Diego Zoo to find out what has happened to him.

Ross (David Schwimmer) catches up with Marcel on the set of a movie starring Jean-Claude Van Damme; Chandler gets a date with a girl he liked in fourth grade.

Monica's parents drop off some childhood keepsakes including her prom video.

Everyone at Monica's dad's birthday party finds it amusing that their middle-aged friend (Tom Selleck) is dating a woman in her 20s until Monica's parents learn that it is their daughter; Chandler and Joey argue over a dirty spoon.

Ross and Rachel become more than just friends; Monica caters a party for a dashing older doctor (Tom Selleck).

With Joey in his new apartment, Chandler gets a troublesome new roommate (Adam Goldberg); Phoebe makes a video for "Smelly Cat"; Ross and Monica find it nearly impossible to live together.

Joey's comments in a magazine for soap-opera fans could mean the end of his role on "Days of our Lives.".

Chandler wants his annoying new roommate (Adam Goldberg) to move out; Joey is facing some exorbitant bills; the girls learn from a book about personal empowerment.

Monica's boyfriend proves to be the life of the party when he attends a basketball game with Chandler and Joey.

Two bullies (Peter DeLuise, Nicky Katt) banish Ross and Chandler from Central Perk; Monica plays the stock market.

Rachel's separated parents (Marlo Thomas, Ron Leibman) unexpectedly attend her surprise birthday party.

Phoebe's romantic meeting with an old friend (Charlie Sheen) is stalled by a case of the chickenpox; Ben celebrates his first birthday; Monica frets about her relationship with Richard (Tom Selleck).

When ex-fiance Barry and Mindy's wedding day arrives, bridesmaid Rachel has flashbacks of her own failed wedding day.

Oscar and Emma argue over the room temperature; Karen makes Lacey regret disobeying a local yield sign.

Brent and Lacey mentor high school students; Emma decides to be nicer to Oscar.

Brent, Hank and Emma have a viral video contest; Karen and Davis try to GPStag the locals; Lacey asks Wanda to secure her WiFi.

Wanda goes power mad; Davis and Karen make a dangerous bet; Oscar recalls "the incident" that made him give up the game for good; Brent and Hank are lost in the woods.

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

Oscar and Emma argue over the room temperature; Karen makes Lacey regret disobeying a local yield sign.

Brent and Lacey mentor high school students; Emma decides to be nicer to Oscar.

Brent, Hank and Emma have a viral video contest; Karen and Davis try to GPStag the locals; Lacey asks Wanda to secure her WiFi.

Wanda goes power mad; Davis and Karen make a dangerous bet; Oscar recalls "the incident" that made him give up the game for good; Brent and Hank are lost in the woods.

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

Oscar and Emma argue over the room temperature; Karen makes Lacey regret disobeying a local yield sign.

Brent and Lacey mentor high school students; Emma decides to be nicer to Oscar.

Brent, Hank and Emma have a viral video contest; Karen and Davis try to GPStag the locals; Lacey asks Wanda to secure her WiFi.

Wanda goes power mad; Davis and Karen make a dangerous bet; Oscar recalls "the incident" that made him give up the game for good; Brent and Hank are lost in the woods.

When Dan gets injured while covering D.J.'s vending machine route, the decision to sue the company could cost D.J. his job; Jackie is appalled when Becky seeks life coaching from her nemesis.

With James planning to meet friends to do their yearly fantasy baseball draft, Astrid cannot shake the feeling that parental duties have eaten away at her old friendships and jumps at the chance for adult interaction.

Following embarrassing run-ins with her boss and co-workers, Astrid feels on the back foot and disconnected from her younger co-workers; Astrid realizes her best move might be to attend a drink night with the rest of her team.

Astrid and James enact a weekend screen ban; with new work assignments, they soon learn leading by example is more complicated than they originally thought; without the hypnotic power of electronics, they're in for an uphill battle.

Astrid and her sister suspect their mom is hiding something from them; they begin snooping around; their mother appears to be dating someone new; a request to launch a new product at work leads James to agree to meet with Ennis' cousin.

Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.

Sheldon is jealous when Stuart (Kevin Sussman), a guy from the comic book store, asks Amy out on a date.

Leonard must face the bully who targeted him in high school; Penny confronts her past actions.

When Dan gets injured while covering D.J.'s vending machine route, the decision to sue the company could cost D.J. his job; Jackie is appalled when Becky seeks life coaching from her nemesis.

When Ben offers Mark free piano lessons, Darlene uses it as an opportunity to test his parenting skills; Jackie throws Becky a baby shower; Emilio continues his efforts to be part of the baby's life.

Sheldon and Missy both run away from home; Mary gets upsetting news about George Sr.

Sheldon encourages Missy to question the Bible; Meemaw is determined to catch George Sr. in a lie; Mary helps Pastor Jeff search for a youth pastor.

Sheldon tries to convince Dr. Sturgis to return to the university; Georgie upsets the family when he makes a life-changing decision.

Sheldon, Missy and Georgie adapt to new living arrangements; Meemaw opens a gambling room.

Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.

Sheldon is jealous when Stuart (Kevin Sussman), a guy from the comic book store, asks Amy out on a date.

Sheldon's comic book store experience changes when writer Neil Gaiman puts Stuart's store on the map; friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.

Paul tries to slip back into his community unnoticed after falling flat on his face in the big city of Winnipeg.

Leonard must face the bully who targeted him in high school; Penny confronts her past actions.

When Ben offers Mark free piano lessons, Darlene uses it as an opportunity to test his parenting skills; Jackie throws Becky a baby shower; Emilio continues his efforts to be part of the baby's life.

Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.

Sheldon is jealous when Stuart (Kevin Sussman), a guy from the comic book store, asks Amy out on a date.

Leonard must face the bully who targeted him in high school; Penny confronts her past actions.

Paul tries to slip back into his community unnoticed after falling flat on his face in the big city of Winnipeg.

Sheldon and Missy both run away from home; Mary gets upsetting news about George Sr.

Sheldon encourages Missy to question the Bible; Meemaw is determined to catch George Sr. in a lie; Mary helps Pastor Jeff search for a youth pastor.

Sheldon tries to convince Dr. Sturgis to return to the university; Georgie upsets the family when he makes a life-changing decision.

Sheldon, Missy and Georgie adapt to new living arrangements; Meemaw opens a gambling room.

Sheldon's comic book store experience changes when writer Neil Gaiman puts Stuart's store on the map; friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.

Paul tries to slip back into his community unnoticed after falling flat on his face in the big city of Winnipeg.

When Dan gets injured while covering D.J.'s vending machine route, the decision to sue the company could cost D.J. his job; Jackie is appalled when Becky seeks life coaching from her nemesis.

When Ben offers Mark free piano lessons, Darlene uses it as an opportunity to test his parenting skills; Jackie throws Becky a baby shower; Emilio continues his efforts to be part of the baby's life.

Brent helps Hank tear down a barn; Emma receives multiple manicures; David hires Wanda to snap pictures of him working.

Davis is locked in a jail cell to raise money for charity; Wanda tries to install a toilet.

Wanda creates her dream video game; Lacey and Karen offer to help Davis release his pent-up stress; Oscar and Emma break out the crokinole board.

The locals are confused about Wanda's PhD; Lacey gets mistaken for a cool adult by teens; Oscar finds something sinister about Davis and Karen.

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

Brent helps Hank tear down a barn; Emma receives multiple manicures; David hires Wanda to snap pictures of him working.

Davis is locked in a jail cell to raise money for charity; Wanda tries to install a toilet.

Wanda creates her dream video game; Lacey and Karen offer to help Davis release his pent-up stress; Oscar and Emma break out the crokinole board.

The locals are confused about Wanda's PhD; Lacey gets mistaken for a cool adult by teens; Oscar finds something sinister about Davis and Karen.

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

Brent helps Hank tear down a barn; Emma receives multiple manicures; David hires Wanda to snap pictures of him working.

Davis is locked in a jail cell to raise money for charity; Wanda tries to install a toilet.

Wanda creates her dream video game; Lacey and Karen offer to help Davis release his pent-up stress; Oscar and Emma break out the crokinole board.

The locals are confused about Wanda's PhD; Lacey gets mistaken for a cool adult by teens; Oscar finds something sinister about Davis and Karen.

As Darlene grapples with a life-changing offer from Ben, an unexpected conversation with David turns her world even more upside down; relationship problems lead Jackie to the bottom of the bottle; Dan delivers alarming news.

Sheldon and Missy both run away from home; Mary gets upsetting news about George Sr.

Sheldon encourages Missy to question the Bible; Meemaw is determined to catch George Sr. in a lie; Mary helps Pastor Jeff search for a youth pastor.

Sheldon tries to convince Dr. Sturgis to return to the university; Georgie upsets the family when he makes a life-changing decision.

Sheldon, Missy and Georgie adapt to new living arrangements; Meemaw opens a gambling room.

Amy is upset with Sheldon when he isn't impressed with her recent accomplishment; Howard struggles with Bernadette's aversion to children.

Everything could change when Leonard spontaneously invites Penny to a romantic dinner.

Penny and Leonard experiment with their new relationship; Raj forms a bond with his phone's virtual assistant.

As Darlene grapples with a life-changing offer from Ben, an unexpected conversation with David turns her world even more upside down; relationship problems lead Jackie to the bottom of the bottle; Dan delivers alarming news.

In the wake of Emilio's deportation, Jackie steps into the role of a paternal figure and creates a meticulous birth plan for Becky; Darlene is tangled in a complex love triangle with David and Ben; Harris is caught up in a problem of her own.

Monica is distraught after her break-up with Richard; Chandler and Janice begin seeing each other again; Ross tells Rachel and Chandler about his "Princess Leia" fantasy.

In a race against the clock, Ross tries to get the gang dressed and ready for a black-tie benefit at the museum.

Mandy struggles to get Georgie's family to join him for his first Thanksgiving without his father.

When James finds an old game console, he and Astrid attempt to find free time to play; but a bedtime routine threatens to eat up all the time between when the kids are supposed to be in bed and when Astrid and James have to go to bed themselves.

Amy is upset with Sheldon when he isn't impressed with her recent accomplishment; Howard struggles with Bernadette's aversion to children.

Everything could change when Leonard spontaneously invites Penny to a romantic dinner.

Sheldon goes to Las Vegas to win money for science; Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies.

Sheldon's mother won't attend his wedding unless he invites his brother; the Wolowitz kids inadvertently infest Amy, Bernadette, Wolowitz and Koothrappali with pink eye.

Penny and Leonard experiment with their new relationship; Raj forms a bond with his phone's virtual assistant.

In the wake of Emilio's deportation, Jackie steps into the role of a paternal figure and creates a meticulous birth plan for Becky; Darlene is tangled in a complex love triangle with David and Ben; Harris is caught up in a problem of her own.

Amy is upset with Sheldon when he isn't impressed with her recent accomplishment; Howard struggles with Bernadette's aversion to children.

Everything could change when Leonard spontaneously invites Penny to a romantic dinner.

Penny and Leonard experiment with their new relationship; Raj forms a bond with his phone's virtual assistant.

Sheldon goes to Las Vegas to win money for science; Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies.

Monica is distraught after her break-up with Richard; Chandler and Janice begin seeing each other again; Ross tells Rachel and Chandler about his "Princess Leia" fantasy.

In a race against the clock, Ross tries to get the gang dressed and ready for a black-tie benefit at the museum.

Mandy struggles to get Georgie's family to join him for his first Thanksgiving without his father.

When James finds an old game console, he and Astrid attempt to find free time to play; but a bedtime routine threatens to eat up all the time between when the kids are supposed to be in bed and when Astrid and James have to go to bed themselves.

Sheldon goes to Las Vegas to win money for science; Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies.

Sheldon's mother won't attend his wedding unless he invites his brother; the Wolowitz kids inadvertently infest Amy, Bernadette, Wolowitz and Koothrappali with pink eye.

As Darlene grapples with a life-changing offer from Ben, an unexpected conversation with David turns her world even more upside down; relationship problems lead Jackie to the bottom of the bottle; Dan delivers alarming news.

In the wake of Emilio's deportation, Jackie steps into the role of a paternal figure and creates a meticulous birth plan for Becky; Darlene is tangled in a complex love triangle with David and Ben; Harris is caught up in a problem of her own.

Karen prepares an eyewitness testimony; Hank tries becoming a rodeo clown.

Brent talks Hank into starting a blog; Lacey's friend gets her own cooking show; Wanda helps Davis with his taxes.

Davis forgets Karen's birthday and rallies the gang to help him throw together a last-minute party with some unfortunate results; Oscar reckons with the fact that he's terrible at giving gifts.

Brent gets his own private VIP section at the bar; Hank loses his keys and enlists Lacey's help to retrace his steps; Wanda attempts to retrain Davis's memory.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Karen prepares an eyewitness testimony; Hank tries becoming a rodeo clown.

Brent talks Hank into starting a blog; Lacey's friend gets her own cooking show; Wanda helps Davis with his taxes.

Davis forgets Karen's birthday and rallies the gang to help him throw together a last-minute party with some unfortunate results; Oscar reckons with the fact that he's terrible at giving gifts.

Brent gets his own private VIP section at the bar; Hank loses his keys and enlists Lacey's help to retrace his steps; Wanda attempts to retrain Davis's memory.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Karen prepares an eyewitness testimony; Hank tries becoming a rodeo clown.

Brent talks Hank into starting a blog; Lacey's friend gets her own cooking show; Wanda helps Davis with his taxes.

Davis forgets Karen's birthday and rallies the gang to help him throw together a last-minute party with some unfortunate results; Oscar reckons with the fact that he's terrible at giving gifts.

Brent gets his own private VIP section at the bar; Hank loses his keys and enlists Lacey's help to retrace his steps; Wanda attempts to retrain Davis's memory.

Darlene struggles to decide between David and Ben; Becky begins to doubt herself as a mom; Mark gets in trouble at school when a picture of him and his boyfriend kissing goes viral; Jackie avoids her problems by keeping busy with everyone else's.

Monica is distraught after her break-up with Richard; Chandler and Janice begin seeing each other again; Ross tells Rachel and Chandler about his "Princess Leia" fantasy.

In a race against the clock, Ross tries to get the gang dressed and ready for a black-tie benefit at the museum.

Mandy struggles to get Georgie's family to join him for his first Thanksgiving without his father.

When James finds an old game console, he and Astrid attempt to find free time to play; but a bedtime routine threatens to eat up all the time between when the kids are supposed to be in bed and when Astrid and James have to go to bed themselves.

Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose his astronaut nickname.

Sheldon goes to work with Amy in her lab when the university forces him to take a vacation; Bernadette asks Howard to sign a pre-nup.

Sheldon and his nemesis, Kripke (John Ross Bowie), compete for a corner office; Penny feels uncomfortable after receiving a gift from Amy.

Darlene struggles to decide between David and Ben; Becky begins to doubt herself as a mom; Mark gets in trouble at school when a picture of him and his boyfriend kissing goes viral; Jackie avoids her problems by keeping busy with everyone else's.

Harris is forced to confront Darlene about her lifestyle; Jackie involves herself in other people's problems to avoid confronting her own; Becky is overwhelmed by the costs of raising a baby, so her family steps in to help.

Phoebe dates a man who thinks he's stalking her twin sister, Ursula; Ross and Rachel give Chandler "boyfriend" lessons.

Ross panics when he sees his son with a Barbie doll; Chandler's fear of commitment surfaces in his relationship with Janice.

Phoebe offers to buy Frank Jr. (Giovanni Ribisi) a massage; Joey tries to build an entertainment center.

When Janice asks the gang if any of them have ever slept together, the friends flash back to three years earlier.

Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose his astronaut nickname.

Sheldon goes to work with Amy in her lab when the university forces him to take a vacation; Bernadette asks Howard to sign a pre-nup.

When Amy's parents and Sheldon's family arrive, everybody is focused on making sure the wedding arrangements go according to plan -- everyone except the bride and groom.

Sheldon and Amy's honeymoon runs aground in New York; Penny and Leonard discover they are uncomfortably similar to Amy's parents; Koothrappali insults physicist Neil deGrasse Tyson and starts a Twitter war.

Sheldon and his nemesis, Kripke (John Ross Bowie), compete for a corner office; Penny feels uncomfortable after receiving a gift from Amy.

Harris is forced to confront Darlene about her lifestyle; Jackie involves herself in other people's problems to avoid confronting her own; Becky is overwhelmed by the costs of raising a baby, so her family steps in to help.

Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose his astronaut nickname.

Sheldon goes to work with Amy in her lab when the university forces him to take a vacation; Bernadette asks Howard to sign a pre-nup.

Sheldon and his nemesis, Kripke (John Ross Bowie), compete for a corner office; Penny feels uncomfortable after receiving a gift from Amy.

When Amy's parents and Sheldon's family arrive, everybody is focused on making sure the wedding arrangements go according to plan -- everyone except the bride and groom.

Phoebe dates a man who thinks he's stalking her twin sister, Ursula; Ross and Rachel give Chandler "boyfriend" lessons.

Ross panics when he sees his son with a Barbie doll; Chandler's fear of commitment surfaces in his relationship with Janice.

Phoebe offers to buy Frank Jr. (Giovanni Ribisi) a massage; Joey tries to build an entertainment center.

When Janice asks the gang if any of them have ever slept together, the friends flash back to three years earlier.

When Amy's parents and Sheldon's family arrive, everybody is focused on making sure the wedding arrangements go according to plan -- everyone except the bride and groom.

Sheldon and Amy's honeymoon runs aground in New York; Penny and Leonard discover they are uncomfortably similar to Amy's parents; Koothrappali insults physicist Neil deGrasse Tyson and starts a Twitter war.

Darlene struggles to decide between David and Ben; Becky begins to doubt herself as a mom; Mark gets in trouble at school when a picture of him and his boyfriend kissing goes viral; Jackie avoids her problems by keeping busy with everyone else's.

Harris is forced to confront Darlene about her lifestyle; Jackie involves herself in other people's problems to avoid confronting her own; Becky is overwhelmed by the costs of raising a baby, so her family steps in to help.

Brent realizes that Corner Gas may not actually be within the town of Dog River.

Emma gives Davis and Wanda piano lessons; Lacey deals with a broken arm.

Davis accidentally totals the police cruiser and tries to cover it up; Hank and Wanda are tasked with making Dog River rat free; Emma struggles to get Oscar on board with spring cleaning.

Brent and Hank are disappointed to find that their favorite wrestler has become a gardener.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Brent realizes that Corner Gas may not actually be within the town of Dog River.

Emma gives Davis and Wanda piano lessons; Lacey deals with a broken arm.

Davis accidentally totals the police cruiser and tries to cover it up; Hank and Wanda are tasked with making Dog River rat free; Emma struggles to get Oscar on board with spring cleaning.

Brent and Hank are disappointed to find that their favorite wrestler has become a gardener.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Brent realizes that Corner Gas may not actually be within the town of Dog River.

Emma gives Davis and Wanda piano lessons; Lacey deals with a broken arm.

Davis accidentally totals the police cruiser and tries to cover it up; Hank and Wanda are tasked with making Dog River rat free; Emma struggles to get Oscar on board with spring cleaning.

Brent and Hank are disappointed to find that their favorite wrestler has become a gardener.

Jackie is faced with a difficult decision that brings the family and community together; Becky starts working a new late-night shift at Casita Bonita; Darlene goes to extreme measures to mend her relationship with Harris.

Phoebe dates a man who thinks he's stalking her twin sister, Ursula; Ross and Rachel give Chandler "boyfriend" lessons.

Ross panics when he sees his son with a Barbie doll; Chandler's fear of commitment surfaces in his relationship with Janice.

Phoebe offers to buy Frank Jr. (Giovanni Ribisi) a massage; Joey tries to build an entertainment center.

When Janice asks the gang if any of them have ever slept together, the friends flash back to three years earlier.

Sheldon's routine is turned upside down when his barber gets sick; Wolowitz questions his decision to go into space.

Sheldon plans a video game marathon with the guys instead of attending a birthday party for Amy's aunt.

When Penny buys Leonard and Sheldon "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock; after a blind date, Raj believes he has met his future wife.

Jackie is faced with a difficult decision that brings the family and community together; Becky starts working a new late-night shift at Casita Bonita; Darlene goes to extreme measures to mend her relationship with Harris.

Halloween brings nothing but horror for Jackie after she uncovers a shocking secret when trying to reopen the Lunch Box; Mary gets upset when a woman assumes she is adopted; Darlene continues to deal with her complicated love life.

Barney and Ted consider making a life-altering decision together; Robin tries to talk Lily and Marshall out of moving to Long Island.

Robin gets some bad news and decides to keep it to herself; Marshall decorates the house in the suburbs for the holidays.

When Ron hexes the day to prove superstitions aren't real, things at the hospital start getting weird; Joyce and Matt discover an employee's secret.

Mark McKinney and Ben Feldman visits the Sherman Oaks Antique Mall; Mark extends a visit to the Valley Relics Museum, a collection spanning over two decades in the San Fernando Valley.

Sheldon's routine is turned upside down when his barber gets sick; Wolowitz questions his decision to go into space.

Sheldon plans a video game marathon with the guys instead of attending a birthday party for Amy's aunt.

Sheldon and Amy go crazy trying to figure out what "perfect gift" Leonard and Penny gave them for their wedding; Koothrappali decides to settle down and asks his father to arrange a marriage for him.

Life gets complicated when Stuart starts bringing his new girlfriend home; Penny and Leonard talk about starting a family; Koothrappali explores an arranged marriage.

When Penny buys Leonard and Sheldon "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock; after a blind date, Raj believes he has met his future wife.

Halloween brings nothing but horror for Jackie after she uncovers a shocking secret when trying to reopen the Lunch Box; Mary gets upset when a woman assumes she is adopted; Darlene continues to deal with her complicated love life.

Sheldon's routine is turned upside down when his barber gets sick; Wolowitz questions his decision to go into space.

Sheldon plans a video game marathon with the guys instead of attending a birthday party for Amy's aunt.

When Penny buys Leonard and Sheldon "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock; after a blind date, Raj believes he has met his future wife.

Sheldon and Amy go crazy trying to figure out what "perfect gift" Leonard and Penny gave them for their wedding; Koothrappali decides to settle down and asks his father to arrange a marriage for him.

Barney and Ted consider making a life-altering decision together; Robin tries to talk Lily and Marshall out of moving to Long Island.

Robin gets some bad news and decides to keep it to herself; Marshall decorates the house in the suburbs for the holidays.

When Ron hexes the day to prove superstitions aren't real, things at the hospital start getting weird; Joyce and Matt discover an employee's secret.

Mark McKinney and Ben Feldman visits the Sherman Oaks Antique Mall; Mark extends a visit to the Valley Relics Museum, a collection spanning over two decades in the San Fernando Valley.

Sheldon and Amy go crazy trying to figure out what "perfect gift" Leonard and Penny gave them for their wedding; Koothrappali decides to settle down and asks his father to arrange a marriage for him.

Life gets complicated when Stuart starts bringing his new girlfriend home; Penny and Leonard talk about starting a family; Koothrappali explores an arranged marriage.

Jackie is faced with a difficult decision that brings the family and community together; Becky starts working a new late-night shift at Casita Bonita; Darlene goes to extreme measures to mend her relationship with Harris.

Halloween brings nothing but horror for Jackie after she uncovers a shocking secret when trying to reopen the Lunch Box; Mary gets upset when a woman assumes she is adopted; Darlene continues to deal with her complicated love life.

Brent discovers a newfound love of his childhood toys when Emma gives them to Hank.

Brent is in the doghouse when Hank proves to be a better son to Emma.

Lacey thinks Davis and Karen are more than work partners; Hank and Oscar are two no-nonsense census takers out to count the names and tally the numbers.

Davis buys a table hockey game for the station and finds that Karen is good at it.

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

Brent discovers a newfound love of his childhood toys when Emma gives them to Hank.

Brent is in the doghouse when Hank proves to be a better son to Emma.

Lacey thinks Davis and Karen are more than work partners; Hank and Oscar are two no-nonsense census takers out to count the names and tally the numbers.

Davis buys a table hockey game for the station and finds that Karen is good at it.

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

Brent discovers a newfound love of his childhood toys when Emma gives them to Hank.

Brent is in the doghouse when Hank proves to be a better son to Emma.

Lacey thinks Davis and Karen are more than work partners; Hank and Oscar are two no-nonsense census takers out to count the names and tally the numbers.

Davis buys a table hockey game for the station and finds that Karen is good at it.

Jackie and Becky pitch their business plan to Darlene in hopes of getting the Lunch Box back, but Darlene's decision leads to hostility; Dan bans Odessa from the house, causing a rift with Harris; Mark makes extensive Thanksgiving plans.

Barney and Ted consider making a life-altering decision together; Robin tries to talk Lily and Marshall out of moving to Long Island.

Robin gets some bad news and decides to keep it to herself; Marshall decorates the house in the suburbs for the holidays.

When Ron hexes the day to prove superstitions aren't real, things at the hospital start getting weird; Joyce and Matt discover an employee's secret.

Mark McKinney and Ben Feldman visits the Sherman Oaks Antique Mall; Mark extends a visit to the Valley Relics Museum, a collection spanning over two decades in the San Fernando Valley.

When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.

Knowledge of Howard's sexual history makes Bernadette reconsider their future together.

Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard says something in the bedroom that surprises Penny.

Jackie and Becky pitch their business plan to Darlene in hopes of getting the Lunch Box back, but Darlene's decision leads to hostility; Dan bans Odessa from the house, causing a rift with Harris; Mark makes extensive Thanksgiving plans.

Chaos ensues when Dan finally gets the entire family together for Thanksgiving dinner; mixed feelings about the Lunch Box continue to build tension in the house; Harris makes an unexpected move.

Marshall goes to his father's grave for New Year's Day tailgating; Barney and Ted open a bar; Robin fills in for a news anchor.

When Marshall and Lily officially move into their house in the suburbs, Lily's father refuses to move out; the gang visits a strip club.

Lily and Marshall throw a housewarming party, during which Ted nearly comes to blows with Marshall's boss; Barney hits on a crazy divorcee.

Marshall, Lily, Robin and Kevin celebrate Valentine's Day with a weekend in Vermont; Barney meets his match.

When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.

Knowledge of Howard's sexual history makes Bernadette reconsider their future together.

When Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, Leonard takes matters into his own hands; Bernadette and Penny take Raj's fiancee out to dinner to get to know her.

When Amy doesn't have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she's available; Koothrappali doesn't want Wolowitz to join him in hosting a show at the planetarium.

Another set of shows in the Big Apple with David Letterman.

When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.

Knowledge of Howard's sexual history makes Bernadette reconsider their future together.

Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard says something in the bedroom that surprises Penny.

When Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, Leonard takes matters into his own hands; Bernadette and Penny take Raj's fiancee out to dinner to get to know her.

Another set of shows in the Big Apple with David Letterman.

Lily and Marshall throw a housewarming party, during which Ted nearly comes to blows with Marshall's boss; Barney hits on a crazy divorcee.

Marshall, Lily, Robin and Kevin celebrate Valentine's Day with a weekend in Vermont; Barney meets his match.

When Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, Leonard takes matters into his own hands; Bernadette and Penny take Raj's fiancee out to dinner to get to know her.

When Amy doesn't have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she's available; Koothrappali doesn't want Wolowitz to join him in hosting a show at the planetarium.

Jackie and Becky pitch their business plan to Darlene in hopes of getting the Lunch Box back, but Darlene's decision leads to hostility; Dan bans Odessa from the house, causing a rift with Harris; Mark makes extensive Thanksgiving plans.

Chaos ensues when Dan finally gets the entire family together for Thanksgiving dinner; mixed feelings about the Lunch Box continue to build tension in the house; Harris makes an unexpected move.

Lacey and Karen institute an open borrowing policy; Brent watches a horror movie for the first time.

Wanda accidentally breaks Emma's potato bowl; Hank tries to develop his storytelling skills.

Brent decides to try laser eye surgery; police cruiser gets a new slogan.

Brent and Oscar take Davis on a camping trip; Hank finally wakes up with a good hair day.

Corner Gas goes through a business boom after Hank comes up with an idea to increase tourism.

A cable guy visits Dog River to help produce some local access programming but the town isn't quite ready for prime time; Brent is selected to choose which idea will be produced.

The gang tries to help Wolowitz and Bernadette get married before the space launch.

Raj faces his loneliness when his friends are out on dates; while in space, Wolowitz gets drawn into a fight between Bernadette and his mom.

Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard; Howard is picked on.

Amy feels threatened by Sheldon's new assistant; Wolowitz starts to feel the pressures of being in space.

Wolowitz's return from space isn't all he expected; game night becomes a gender war.

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.

Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.

Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.

Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.

When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.

When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Wolowitz in trouble.

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke; Raj and Howard buy expensive action figures of themselves.

The gang tries to help Wolowitz and Bernadette get married before the space launch.

Raj faces his loneliness when his friends are out on dates; while in space, Wolowitz gets drawn into a fight between Bernadette and his mom.

Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard; Howard is picked on.

Amy feels threatened by Sheldon's new assistant; Wolowitz starts to feel the pressures of being in space.

Wolowitz's return from space isn't all he expected; game night becomes a gender war.

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.

Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.

Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.

Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.

When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.

When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Wolowitz in trouble.

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke; Raj and Howard buy expensive action figures of themselves.

The gang tries to help Wolowitz and Bernadette get married before the space launch.

Raj faces his loneliness when his friends are out on dates; while in space, Wolowitz gets drawn into a fight between Bernadette and his mom.

Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard; Howard is picked on.

Amy feels threatened by Sheldon's new assistant; Wolowitz starts to feel the pressures of being in space.

Wolowitz's return from space isn't all he expected; game night becomes a gender war.

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.

Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.

Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.

Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.

When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.

When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Wolowitz in trouble.

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke; Raj and Howard buy expensive action figures of themselves.

Karen remembers what it feels like to be a school kid again when she takes up a new form of exercise.

An initially fun game of golf between Brent, Lacey and Hank quickly turns into a round robin of aggravation.

Karen and Davis investigate a mysterious crop circle near Dog River; Oscar and Emma repaint their house.

Wanda's latest crush gives her his number; Brent questions his sense of smell; the Ruby gets a touch up.

Emma and Karen look for a suitable gift to send their twin town in Japan; Wanda attempts to become the advice giving bartender.

Oscar is asked to be a school bus driver for the day; the kids may not be the only ones who need a lesson in good behavior.

When Monica buys a new bed from the "Mattress King" (Mark Cohen), the wrong one is delivered; Joey sees Janice kissing her husband; Rachel's father clashes with Ross.

Chandler and Janice (Maggie Wheeler) reach a turning point in their relationship; the Ugly Naked Guy may be dead.

Emotions become the feast of the day when the gang plays a game of touch football on Thanksgiving; the turkey is left stewing when the losing team calls for a rematch.

Rachel wonders if she'll ever get another job after she quits Central Perk; Joey's new job selling Christmas trees upsets Phoebe; Ross accidentally breaks a little girl's leg.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Running into Richard at the video store tests Monica's willpower; Joey agrees to read "Little Women.".

Phoebe reunites with her former singing partner (E.G. Daily); Chandler dates a woman (Sherilyn Fenn) who has a prosthetic limb.

Phoebe has trouble communicating with her new boyfriend; Ross seeks solace at a party after a bitter fight with Rachel.

Ross tries to prevent Rachel from learning his disturbing secret; Monica, Phoebe, Chandler and Joey spend a night eavesdropping.

Excluded from Rachel's ski trip with her pals, lonely Ross visits his ex-wife (Jane Sibbett); Phoebe's cab runs out of gas and the stranded gang turns to Ross for help.

Desperate, Monica agrees to a date with one of her restaurant customers; Phoebe's younger brother visits.

Rachel goes on her first date after splitting with Ross; Joey's new flame doesn't seem interested in him.

Rachel regrets making a date for Chandler and her boss, Joanna (Alison LaPlaca); Joey's interest in Kate (Dina Meyer) intensifies.

When Monica buys a new bed from the "Mattress King" (Mark Cohen), the wrong one is delivered; Joey sees Janice kissing her husband; Rachel's father clashes with Ross.

Chandler and Janice (Maggie Wheeler) reach a turning point in their relationship; the Ugly Naked Guy may be dead.

Emotions become the feast of the day when the gang plays a game of touch football on Thanksgiving; the turkey is left stewing when the losing team calls for a rematch.

Rachel wonders if she'll ever get another job after she quits Central Perk; Joey's new job selling Christmas trees upsets Phoebe; Ross accidentally breaks a little girl's leg.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Running into Richard at the video store tests Monica's willpower; Joey agrees to read "Little Women.".

Phoebe reunites with her former singing partner (E.G. Daily); Chandler dates a woman (Sherilyn Fenn) who has a prosthetic limb.

Phoebe has trouble communicating with her new boyfriend; Ross seeks solace at a party after a bitter fight with Rachel.

Ross tries to prevent Rachel from learning his disturbing secret; Monica, Phoebe, Chandler and Joey spend a night eavesdropping.

Excluded from Rachel's ski trip with her pals, lonely Ross visits his ex-wife (Jane Sibbett); Phoebe's cab runs out of gas and the stranded gang turns to Ross for help.

Desperate, Monica agrees to a date with one of her restaurant customers; Phoebe's younger brother visits.

Rachel goes on her first date after splitting with Ross; Joey's new flame doesn't seem interested in him.

Rachel regrets making a date for Chandler and her boss, Joanna (Alison LaPlaca); Joey's interest in Kate (Dina Meyer) intensifies.

When Monica buys a new bed from the "Mattress King" (Mark Cohen), the wrong one is delivered; Joey sees Janice kissing her husband; Rachel's father clashes with Ross.

Chandler and Janice (Maggie Wheeler) reach a turning point in their relationship; the Ugly Naked Guy may be dead.

Emotions become the feast of the day when the gang plays a game of touch football on Thanksgiving; the turkey is left stewing when the losing team calls for a rematch.

Rachel wonders if she'll ever get another job after she quits Central Perk; Joey's new job selling Christmas trees upsets Phoebe; Ross accidentally breaks a little girl's leg.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Running into Richard at the video store tests Monica's willpower; Joey agrees to read "Little Women.".

Phoebe reunites with her former singing partner (E.G. Daily); Chandler dates a woman (Sherilyn Fenn) who has a prosthetic limb.

Phoebe has trouble communicating with her new boyfriend; Ross seeks solace at a party after a bitter fight with Rachel.

Ross tries to prevent Rachel from learning his disturbing secret; Monica, Phoebe, Chandler and Joey spend a night eavesdropping.

Excluded from Rachel's ski trip with her pals, lonely Ross visits his ex-wife (Jane Sibbett); Phoebe's cab runs out of gas and the stranded gang turns to Ross for help.

Desperate, Monica agrees to a date with one of her restaurant customers; Phoebe's younger brother visits.

Rachel goes on her first date after splitting with Ross; Joey's new flame doesn't seem interested in him.

Rachel regrets making a date for Chandler and her boss, Joanna (Alison LaPlaca); Joey's interest in Kate (Dina Meyer) intensifies.

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 plans a parade for Dog River Days with all the fixings; Wanda uses a mascot to convince a corporate sponsor to support the cause; Hank battles Emma for the beauty pageant crown.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

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

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 plans a parade for Dog River Days with all the fixings; Wanda uses a mascot to convince a corporate sponsor to support the cause; Hank battles Emma for the beauty pageant crown.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

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

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 plans a parade for Dog River Days with all the fixings; Wanda uses a mascot to convince a corporate sponsor to support the cause; Hank battles Emma for the beauty pageant crown.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

Jackie is faced with a difficult decision that brings the family and community together; Becky starts working a new late-night shift at Casita Bonita; Darlene goes to extreme measures to mend her relationship with Harris.

Between Astrid and her sister Dawn's kids, their mother Nisha is feeling burnt out on babysitting duties; when she announces her retirement from free childcare, it falls to Astrid and Dawn to try and get her back on board for watching their kids.

When Astrid and James' daughter Viv answers on a school assignment that she is Indigenous instead of her actual heritage, Indian, Astrid begins to feel guilty that she has not properly taught Viv about their family history.

When their son Felix's best friend moves away, Astrid and James try and help Felix make a new friend, but a sleepover soon has them questioning if Felix's potential new bestie might be a bad influence on their son.

As Astrid and James prepare to celebrate a special occasion, their 'hook-up-aversary', all that stands between them and a much-needed night together is getting their kids to bed.

A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements; while Howard is away, Raj helps Mrs. Wolowitz out.

The guys search for a perfect Valentine's Day gift for their significant others; Stuart and Raj host a "lonely people" party at the comic book store.

After a bad date, Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.

Jackie is faced with a difficult decision that brings the family and community together; Becky starts working a new late-night shift at Casita Bonita; Darlene goes to extreme measures to mend her relationship with Harris.

Dan is disappointed when everyone but Becky forgets about his birthday; Darlene faces another issue; Dan excludes Jackie from the family Christmas Santa photo for mistreating Louise.

Sheldon and Dr. Linkletter struggle to solve an equation; Georgie has a solution for Meemaw's business woes; George Sr. gives advice on Missy's love life.

Missy asks some uncomfortable questions at church; Meemaw and Georgie go into business together.

Sheldon takes his first engineering class with Professor Boucher; Meemaw and Dale help take care of his ex-wife.

Sheldon battles President Hagemeyer's mysterious boss over the university's science requirements; Mary discovers that Georgie is working at Meemaw's illegal gambling room.

A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements; while Howard is away, Raj helps Mrs. Wolowitz out.

The guys search for a perfect Valentine's Day gift for their significant others; Stuart and Raj host a "lonely people" party at the comic book store.

When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.

Paul tries to slip back into his community unnoticed after falling flat on his face in the big city of Winnipeg.

After a bad date, Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.

Dan is disappointed when everyone but Becky forgets about his birthday; Darlene faces another issue; Dan excludes Jackie from the family Christmas Santa photo for mistreating Louise.

A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements; while Howard is away, Raj helps Mrs. Wolowitz out.

The guys search for a perfect Valentine's Day gift for their significant others; Stuart and Raj host a "lonely people" party at the comic book store.

After a bad date, Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.

Paul tries to slip back into his community unnoticed after falling flat on his face in the big city of Winnipeg.

Sheldon and Dr. Linkletter struggle to solve an equation; Georgie has a solution for Meemaw's business woes; George Sr. gives advice on Missy's love life.

Missy asks some uncomfortable questions at church; Meemaw and Georgie go into business together.

Sheldon takes his first engineering class with Professor Boucher; Meemaw and Dale help take care of his ex-wife.

Sheldon battles President Hagemeyer's mysterious boss over the university's science requirements; Mary discovers that Georgie is working at Meemaw's illegal gambling room.

When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.

Paul tries to slip back into his community unnoticed after falling flat on his face in the big city of Winnipeg.

Jackie is faced with a difficult decision that brings the family and community together; Becky starts working a new late-night shift at Casita Bonita; Darlene goes to extreme measures to mend her relationship with Harris.

Dan is disappointed when everyone but Becky forgets about his birthday; Darlene faces another issue; Dan excludes Jackie from the family Christmas Santa photo for mistreating Louise.

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.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

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.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

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.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

The Conners struggle to accept Becky's new boyfriend, a Green Bay Packers fan; Dan tries to impress upon Mark the importance of the family's die-hard loyalty to the Bears; Ben and Darlene try to get a loan for their new magazine.

Sheldon and Dr. Linkletter struggle to solve an equation; Georgie has a solution for Meemaw's business woes; George Sr. gives advice on Missy's love life.

Missy asks some uncomfortable questions at church; Meemaw and Georgie go into business together.

Sheldon takes his first engineering class with Professor Boucher; Meemaw and Dale help take care of his ex-wife.

Sheldon battles President Hagemeyer's mysterious boss over the university's science requirements; Mary discovers that Georgie is working at Meemaw's illegal gambling room.

Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers; Raj plans a date with Lucy.

Howard considers whether or not he should open a letter from his father; Penny and Leonard host a "grown-up" cocktail party.

The girls get involved when Leonard, Sheldon and Raj compete for tenure at the University.

The Conners struggle to accept Becky's new boyfriend, a Green Bay Packers fan; Dan tries to impress upon Mark the importance of the family's die-hard loyalty to the Bears; Ben and Darlene try to get a loan for their new magazine.

Becky thinks that Jackie's new friend, a restaurant supplier, is taking advantage of them; Darlene is thrilled when Harris gets into Central Illinois State, but Harris might have found a better offer; Dan finds himself in an embarrassing situation.