When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of ping pong.

Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.

Darlene earns a promotion at Wellman Plastics; Ben decides on a new career path; Jackie tries a herbal tea, and it leads to an emotional revelation.

While the gang waits for the reopening of Stuart's comic book store Wolowitz gets some shocking news; Penny has trouble taking her own advice; Leonard and Raj think they spot Nathan Fillion at a restaurant.

Penny and Sheldon design an experiment - as a joke - to make participants fall in love; Howard and Bernadette get into trouble at the airport.

Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of ping pong.

Rachel decides to look up her former boyfriend (Cosimo Fusco) when she is distraught over Ross' new girlfriend (Lauren Tom).

While tending his son, Ross expresses his displeasure when Phoebe tastes Carol's breast milk to check the temperature.

Monica and Rachel's grumpy downstairs neighbor (Larry Hankin) dies and leaves all his belongings to the girls.

The group is amazed when Phoebe marries a Canadian ice dancer (Steve Zahn) to help him get his green card.

A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of ping pong.

Harris brings home her new friend, Josh, leaving the family questioning his intentions; Becky and Ben's attempt to build a closet stirs up family drama.

Darlene earns a promotion at Wellman Plastics; Ben decides on a new career path; Jackie tries a herbal tea, and it leads to an emotional revelation.

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

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

The women can't get rid of Hank from a girls-only event; Brent stocks a new drink and Wanda is attracted to its cardboard promotion.

At the Summer Solstice Deck Party, the locals compete for a seat in the sun, Brent sells popsicles and Karen and Davis must share a gun.

Angela, Ashley and Brian are super surprised and excited to be in the Cash Cab; they're riding high until they get stumped.

As they enter the taxi, these contestants mutter "too bad this wasn't the Cash Cab," and are completely delighted to find out where they are.

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

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

The women can't get rid of Hank from a girls-only event; Brent stocks a new drink and Wanda is attracted to its cardboard promotion.

At the Summer Solstice Deck Party, the locals compete for a seat in the sun, Brent sells popsicles and Karen and Davis must share a gun.

Angela, Ashley and Brian are super surprised and excited to be in the Cash Cab; they're riding high until they get stumped.

As they enter the taxi, these contestants mutter "too bad this wasn't the Cash Cab," and are completely delighted to find out where they are.

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

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

The women can't get rid of Hank from a girls-only event; Brent stocks a new drink and Wanda is attracted to its cardboard promotion.

At the Summer Solstice Deck Party, the locals compete for a seat in the sun, Brent sells popsicles and Karen and Davis must share a gun.

Chuck's new purchase of a boat creates a rift; Darlene hires her first assistant at Wellman's Plastics but soon realizes she is anything but helpful; Jackie is laser-focused on her dream of being a contestant on "Jeopardy!".

Rachel decides to look up her former boyfriend (Cosimo Fusco) when she is distraught over Ross' new girlfriend (Lauren Tom).

While tending his son, Ross expresses his displeasure when Phoebe tastes Carol's breast milk to check the temperature.

Monica and Rachel's grumpy downstairs neighbor (Larry Hankin) dies and leaves all his belongings to the girls.

The group is amazed when Phoebe marries a Canadian ice dancer (Steve Zahn) to help him get his green card.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.

Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.

Chuck's new purchase of a boat creates a rift; Darlene hires her first assistant at Wellman's Plastics but soon realizes she is anything but helpful; Jackie is laser-focused on her dream of being a contestant on "Jeopardy!".

Darlene starts to feel the pressures of her new job; Dan attempts to help Ben out at the hardware store, but the two don't always agree on how to run the business.

Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin; Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.

Sheldon moves in with Dr. Sturgis for the weekend to see what his life will be like in college; a lonely Mary tries to bond with the other Coopers during Sheldon's absence.

Unhappy that school funds are going toward football rather than academics, Sheldon decides to run for class president.

Georgie is thrilled when Veronica stays at the Coopers' house for a few days; Meemaw and Dr. Sturgis celebrate their one-year anniversary.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.

When Sheldon's and Leonard's mothers finally meet, personalities collide; Howard decides to do his share of the chores - with a little help from his friends.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.

Darlene starts to feel the pressures of her new job; Dan attempts to help Ben out at the hardware store, but the two don't always agree on how to run the business.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.

Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin; Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.

Sheldon moves in with Dr. Sturgis for the weekend to see what his life will be like in college; a lonely Mary tries to bond with the other Coopers during Sheldon's absence.

Unhappy that school funds are going toward football rather than academics, Sheldon decides to run for class president.

Georgie is thrilled when Veronica stays at the Coopers' house for a few days; Meemaw and Dr. Sturgis celebrate their one-year anniversary.

When Sheldon's and Leonard's mothers finally meet, personalities collide; Howard decides to do his share of the chores - with a little help from his friends.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Chuck's new purchase of a boat creates a rift; Darlene hires her first assistant at Wellman's Plastics but soon realizes she is anything but helpful; Jackie is laser-focused on her dream of being a contestant on "Jeopardy!".

Darlene starts to feel the pressures of her new job; Dan attempts to help Ben out at the hardware store, but the two don't always agree on how to run the business.

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

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

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.

When Garth, Aaron and John get in the Cash Cab, it's time for these brainiacs to use their brains to get them to their destination.

Stuart and Adjoa are two love birds out on a date when they end up in the Cash Cab; they hope their love will be enough to get them to their destination.

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

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

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.

When Garth, Aaron and John get in the Cash Cab, it's time for these brainiacs to use their brains to get them to their destination.

Stuart and Adjoa are two love birds out on a date when they end up in the Cash Cab; they hope their love will be enough to get them to their destination.

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

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

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.

Mark is convinced he has COVID-19; Becky and Harris team up to confront Josh, who has been ghosting Harris; when Jackie visits Roseanne's grave, she finds an appalling headstone right next to it and sets out to make it right.

Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin; Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.

Sheldon moves in with Dr. Sturgis for the weekend to see what his life will be like in college; a lonely Mary tries to bond with the other Coopers during Sheldon's absence.

Unhappy that school funds are going toward football rather than academics, Sheldon decides to run for class president.

Georgie is thrilled when Veronica stays at the Coopers' house for a few days; Meemaw and Dr. Sturgis celebrate their one-year anniversary.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.

A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.

Mark is convinced he has COVID-19; Becky and Harris team up to confront Josh, who has been ghosting Harris; when Jackie visits Roseanne's grave, she finds an appalling headstone right next to it and sets out to make it right.

Dan feels helpless when Louise refuses to let him put himself at risk for her; when Jackie learns the competing restaurants are posting negative reviews about The Lunch Box, she recruits Neville to help her confront them.

The Coopers help Pastor Jeff through a rough patch in his marriage; Sheldon pressures church members for donations when Mary takes him to work for a day.

Sheldon invites the entire school to a party for the Nobel Prize announcements; Meemaw learns more about Dr. Sturgis' past; Georgie's desire for cable TV leads to a standoff between him and George Sr.

After Dr. Sturgis experiences a nervous breakdown, Mary worries Sheldon is headed down a similar path; Georgie discovers he has a knack for sales.

Without Dr. Sturgis' university class, Sheldon must find a new way to stay academically challenged; Mary helps Pastor Jeff avoid temptation with his girlfriend.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

When the boys are accused of killing Randy and Lahey, their deal with Snoop Dogg hits a snag; things go haywire with Cory and Jacob.

Things go south when the boys prepare for the drop-off while searching for Bubbles and avoiding Lahey and Randy.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.

A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

When the boys are accused of killing Randy and Lahey, their deal with Snoop Dogg hits a snag; things go haywire with Cory and Jacob.

Things go south when the boys prepare for the drop-off while searching for Bubbles and avoiding Lahey and Randy.

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

When the boys are accused of killing Randy and Lahey, their deal with Snoop Dogg hits a snag; things go haywire with Cory and Jacob.

Things go south when the boys prepare for the drop-off while searching for Bubbles and avoiding Lahey and Randy.

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.

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.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

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.

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.

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.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

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.

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.

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.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

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.

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.

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.

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

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.

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.

The group's plans of throwing a birthday party are marred when money becomes an issue; Monica gets a promotion; Chandler sets a woman up to get a date with her, but a case of mistaken identities means that he discovers what she really thought of him.

Joey and Chandler decide to baby-sit and use Ben as a way to pick up women; Phoebe loses her job singing at Central Perk.

A drunken Rachel leaves a phone message for Ross that may change their relationship; Chandler regrets asking Monica to help him lose weight.

Rachel sees Ross' list comparing her pros and cons to Julie's (Lauren Tom).

Phoebe, hoping for a Christmas family reunion, travels to upstate New York in search of her biological father.

After deciding to give up acting, Joey is offered a role in a soap opera; Rachel dates a guy named Russ, who is amazingly similar to Ross.

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.

Monica's parents find out about her middle-aged boyfriend; Chandler and Joey argue, and it could mean the end of their living arrangement.

Ross and Rachel finally sleep together; Monica becomes infatuated with one of her parents' friends for whom she caters a party.

Joey wants to move back in with Chandler, but there's a new problem; Phoebe tapes a rock video; Ross upsets Monica.

Monica and Richard experience the same romantic problems as Rachel and Ross; Joey's ill-advised comments to a fan magazine threaten his acting career.

The group's plans of throwing a birthday party are marred when money becomes an issue; Monica gets a promotion; Chandler sets a woman up to get a date with her, but a case of mistaken identities means that he discovers what she really thought of him.

Joey and Chandler decide to baby-sit and use Ben as a way to pick up women; Phoebe loses her job singing at Central Perk.

A drunken Rachel leaves a phone message for Ross that may change their relationship; Chandler regrets asking Monica to help him lose weight.

Rachel sees Ross' list comparing her pros and cons to Julie's (Lauren Tom).

Phoebe, hoping for a Christmas family reunion, travels to upstate New York in search of her biological father.

After deciding to give up acting, Joey is offered a role in a soap opera; Rachel dates a guy named Russ, who is amazingly similar to Ross.

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.

Monica's parents find out about her middle-aged boyfriend; Chandler and Joey argue, and it could mean the end of their living arrangement.

Ross and Rachel finally sleep together; Monica becomes infatuated with one of her parents' friends for whom she caters a party.

Joey wants to move back in with Chandler, but there's a new problem; Phoebe tapes a rock video; Ross upsets Monica.

Monica and Richard experience the same romantic problems as Rachel and Ross; Joey's ill-advised comments to a fan magazine threaten his acting career.

The group's plans of throwing a birthday party are marred when money becomes an issue; Monica gets a promotion; Chandler sets a woman up to get a date with her, but a case of mistaken identities means that he discovers what she really thought of him.

Joey and Chandler decide to baby-sit and use Ben as a way to pick up women; Phoebe loses her job singing at Central Perk.

A drunken Rachel leaves a phone message for Ross that may change their relationship; Chandler regrets asking Monica to help him lose weight.

Rachel sees Ross' list comparing her pros and cons to Julie's (Lauren Tom).

Phoebe, hoping for a Christmas family reunion, travels to upstate New York in search of her biological father.

After deciding to give up acting, Joey is offered a role in a soap opera; Rachel dates a guy named Russ, who is amazingly similar to Ross.

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.

Monica's parents find out about her middle-aged boyfriend; Chandler and Joey argue, and it could mean the end of their living arrangement.

Ross and Rachel finally sleep together; Monica becomes infatuated with one of her parents' friends for whom she caters a party.

Joey wants to move back in with Chandler, but there's a new problem; Phoebe tapes a rock video; Ross upsets Monica.

Monica and Richard experience the same romantic problems as Rachel and Ross; Joey's ill-advised comments to a fan magazine threaten his acting career.

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.

Our accomplices get vertigo on a ladder, some clowns scare participants holding champagne, and marathon runners run over an accomplice on a stretcher!

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.

This gang is stoked and full of confidence when they find out that they have entered the Cash Cab.

Martin and Karl are super pumped to be in the Cash Cab, but their street shout out lets them down.

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.

Our accomplices get vertigo on a ladder, some clowns scare participants holding champagne, and marathon runners run over an accomplice on a stretcher!

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.

This gang is stoked and full of confidence when they find out that they have entered the Cash Cab.

Martin and Karl are super pumped to be in the Cash Cab, but their street shout out lets them down.

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.

Our accomplices get vertigo on a ladder, some clowns scare participants holding champagne, and marathon runners run over an accomplice on a stretcher!

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.

Becky meets up with an old friend and feels pressured to impress him; Dan questions his position at the hardware store, which leads to a massive fight with Ben.

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.

Pranks with cauldron face, blind traffic cop, dance-stop and pineapple cover.

Pranks include a hood slam, a fart sniff, a holy mud splash and a noisy clown.

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.

Becky meets up with an old friend and feels pressured to impress him; Dan questions his position at the hardware store, which leads to a massive fight with Ben.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

Arthur is left to fend for himself when Doug and Carrie go on her company retreat with a group of boring lawyers.

Doug's Halloween decorations put Arthur in the hospital; Deacon doesn't like Kirby's choice of a Halloween costume.

Doug runs into a business acquaintance while bringing Arthur to the hospital for heart surgery; Carrie discovers an old college acceptance letter.

Doug and his friends become victims of reality TV when Doug sets up a camera in the basement to keep an eye on Arthur.

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.

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.

A pushy alien wedding planner takes over Earth for a destination wedding, and STC gets sucked into her demented maze of centerpieces; nothing good happens when a beaver and a disgruntled octopus interact.

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.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

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.

A pushy alien wedding planner takes over Earth for a destination wedding, and STC gets sucked into her demented maze of centerpieces; nothing good happens when a beaver and a disgruntled octopus interact.

Arthur is left to fend for himself when Doug and Carrie go on her company retreat with a group of boring lawyers.

Doug's Halloween decorations put Arthur in the hospital; Deacon doesn't like Kirby's choice of a Halloween costume.

Doug runs into a business acquaintance while bringing Arthur to the hospital for heart surgery; Carrie discovers an old college acceptance letter.

Doug and his friends become victims of reality TV when Doug sets up a camera in the basement to keep an eye on Arthur.

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.

A pushy alien wedding planner takes over Earth for a destination wedding, and STC gets sucked into her demented maze of centerpieces; nothing good happens when a beaver and a disgruntled octopus interact.

Becky meets up with an old friend and feels pressured to impress him; Dan questions his position at the hardware store, which leads to a massive fight with Ben.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

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 and Brent help Hank build a zip-line downtown; Davis and Karen crack down on the free corner; Oscar and Emma win a free robot vacuum.

Wanda helps Brent investigate his nightmares about being attacked by Michael J. Fox.

This rowdy gang of four take a big gamble in the Cash Cab; they are full of enthusiasm and have some great answers.

Alec, Ann and Jacqueline are bemused by the Cash Cab, but decide to give it a go; it's a tense ride.

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 and Brent help Hank build a zip-line downtown; Davis and Karen crack down on the free corner; Oscar and Emma win a free robot vacuum.

Wanda helps Brent investigate his nightmares about being attacked by Michael J. Fox.

This rowdy gang of four take a big gamble in the Cash Cab; they are full of enthusiasm and have some great answers.

Alec, Ann and Jacqueline are bemused by the Cash Cab, but decide to give it a go; it's a tense ride.

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 and Brent help Hank build a zip-line downtown; Davis and Karen crack down on the free corner; Oscar and Emma win a free robot vacuum.

Wanda helps Brent investigate his nightmares about being attacked by Michael J. Fox.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

Arthur is left to fend for himself when Doug and Carrie go on her company retreat with a group of boring lawyers.

Doug's Halloween decorations put Arthur in the hospital; Deacon doesn't like Kirby's choice of a Halloween costume.

Doug runs into a business acquaintance while bringing Arthur to the hospital for heart surgery; Carrie discovers an old college acceptance letter.

Doug and his friends become victims of reality TV when Doug sets up a camera in the basement to keep an eye on Arthur.

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.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

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.

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.

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 feelings 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.

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

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

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.

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.

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.

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 feelings 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.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

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.

Brent uses a drone to harass Oscar; Wanda and Emma attempt to measure the intelligence of turkeys.

Karen and Davis discover a mannequin dumped in the woods and try to solve the crime; at Corner Gas, Brent surprises Wanda with a scanner; in The Ruby, Lacey, Oscar, Hank, and Emma get drawn into an unusual bet about hand sanitizer.

Sam, David, Yuri and Pierre are four dudes out for a night on the town, and when they get into Adam's cab, their partying doesn't stop.

Ryan, Jeff and Matthew are not really sure about the Cash Cab, but once Adam explains the game they are pretty pumped.

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.

Brent uses a drone to harass Oscar; Wanda and Emma attempt to measure the intelligence of turkeys.

Karen and Davis discover a mannequin dumped in the woods and try to solve the crime; at Corner Gas, Brent surprises Wanda with a scanner; in The Ruby, Lacey, Oscar, Hank, and Emma get drawn into an unusual bet about hand sanitizer.

Sam, David, Yuri and Pierre are four dudes out for a night on the town, and when they get into Adam's cab, their partying doesn't stop.

Ryan, Jeff and Matthew are not really sure about the Cash Cab, but once Adam explains the game they are pretty pumped.

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.

Brent uses a drone to harass Oscar; Wanda and Emma attempt to measure the intelligence of turkeys.

Karen and Davis discover a mannequin dumped in the woods and try to solve the crime; at Corner Gas, Brent surprises Wanda with a scanner; in The Ruby, Lacey, Oscar, Hank, and Emma get drawn into an unusual bet about hand sanitizer.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

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.

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.

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

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

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).

Rachel is a bridesmaid at her ex-fiancé's wedding; she has flashbacks of her own failed wedding day; Monica and Richard's relationship is jeopardized when the subject of children is discussed.

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.

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.

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.

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

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

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.

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

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).

Rachel is a bridesmaid at her ex-fiancé's wedding; she has flashbacks of her own failed wedding day; Monica and Richard's relationship is jeopardized when the subject of children is discussed.

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.

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.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

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.

Emma sees high art in Hank's hedge-trimming and sells his services around town; prompted by Oscar, Brent tries to collect on the IOUs piling up at Corner Gas, resorting to unorthodox means; Davis and Karen set up the cop shop in The Ruby.

When Wullerton's weekly paper goes under, the gang worries the Dog River Howler will too; Wanda and Emma set out to recruit new advertisers, while Brent helps Oscar start an online version that raises eyebrows; Karen befriends a crow.

Sabrina, Samira and Mai are initially weirded out by the Cash Cab, but once they understand the rules, these three babes quickly prove they are more than just pretty faces.

London, Steve, Antonio and Foster end up in the Cash Cab.

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.

Emma sees high art in Hank's hedge-trimming and sells his services around town; prompted by Oscar, Brent tries to collect on the IOUs piling up at Corner Gas, resorting to unorthodox means; Davis and Karen set up the cop shop in The Ruby.

When Wullerton's weekly paper goes under, the gang worries the Dog River Howler will too; Wanda and Emma set out to recruit new advertisers, while Brent helps Oscar start an online version that raises eyebrows; Karen befriends a crow.

Sabrina, Samira and Mai are initially weirded out by the Cash Cab, but once they understand the rules, these three babes quickly prove they are more than just pretty faces.

London, Steve, Antonio and Foster end up in the Cash Cab.

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.

Emma sees high art in Hank's hedge-trimming and sells his services around town; prompted by Oscar, Brent tries to collect on the IOUs piling up at Corner Gas, resorting to unorthodox means; Davis and Karen set up the cop shop in The Ruby.

When Wullerton's weekly paper goes under, the gang worries the Dog River Howler will too; Wanda and Emma set out to recruit new advertisers, while Brent helps Oscar start an online version that raises eyebrows; Karen befriends a crow.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

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).

Rachel is a bridesmaid at her ex-fiancé's wedding; she has flashbacks of her own failed wedding day; Monica and Richard's relationship is jeopardized when the subject of children is discussed.

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.

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.

Penny thinks Leonard is taking her for granted and decides to go on a spa weekend with Amy; Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby's room.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

Sheldon takes matters into his own hands when Meemaw refuses to drive him to a lecture; Georgie tries to impress Veronica with his new business venture.

Sheldon is forced to take a break from science when his new obsession with "The Lord of the Rings" leads to an unhealthy habit; Missy asks George Sr. to teach her how to play catch.

After being released from the mental hospital, Dr. Sturgis unexpectedly breaks up with Meemaw.

A church carnival leads Missy to try out for the baseball team; Meemaw struggles after her breakup with Dr. Sturgis.

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 tests an MIT invention after hearing it can help him read people's emotions; Leonard finds out Penny's brother is coming to town; Raj asks his ex-girlfriends to give him dating advice.

Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system; Raj and Stuart look after baby Halley while Penny and Amy take Bernadette for a night out.

Penny thinks Leonard is taking her for granted and decides to go on a spa weekend with Amy; Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby's room.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

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.

Penny thinks Leonard is taking her for granted and decides to go on a spa weekend with Amy; Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby's room.

Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system; Raj and Stuart look after baby Halley while Penny and Amy take Bernadette for a night out.

Sheldon takes matters into his own hands when Meemaw refuses to drive him to a lecture; Georgie tries to impress Veronica with his new business venture.

Sheldon is forced to take a break from science when his new obsession with "The Lord of the Rings" leads to an unhealthy habit; Missy asks George Sr. to teach her how to play catch.

After being released from the mental hospital, Dr. Sturgis unexpectedly breaks up with Meemaw.

A church carnival leads Missy to try out for the baseball team; Meemaw struggles after her breakup with Dr. Sturgis.

Sheldon tests an MIT invention after hearing it can help him read people's emotions; Leonard finds out Penny's brother is coming to town; Raj asks his ex-girlfriends to give him dating advice.

Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system; Raj and Stuart look after baby Halley while Penny and Amy take Bernadette for a night out.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

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.

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.

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

Benson, Michael, Carlo and Erikson are so excited to be in the Cash Cab they make up a special chant.

George and Isaac manage to make it to their destination.

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.

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.

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

Benson, Michael, Carlo and Erikson are so excited to be in the Cash Cab they make up a special chant.

George and Isaac manage to make it to their destination.

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.

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.

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

Part of Becky's recovery program mandates she makes amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

Sheldon takes matters into his own hands when Meemaw refuses to drive him to a lecture; Georgie tries to impress Veronica with his new business venture.

Sheldon is forced to take a break from science when his new obsession with "The Lord of the Rings" leads to an unhealthy habit; Missy asks George Sr. to teach her how to play catch.

After being released from the mental hospital, Dr. Sturgis unexpectedly breaks up with Meemaw.

A church carnival leads Missy to try out for the baseball team; Meemaw struggles after her breakup with Dr. Sturgis.

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.

Cut off from his father's fortune, Koothrappali appoints Sheldon to help him get out of debt; Penny considers joining Leonard at Comic-Con.

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

Part of Becky's recovery program mandates she makes amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

A weather report forecasting that a tornado is headed for Lanford creates chaos and surprises on Dan and Louise's wedding day.

Sheldon starts an internet flame war; Missy stands up to the boys on her baseball team; Meemaw is unhappy when George Sr. spends time with her new boyfriend.

The University makes George Sr. a lucrative job offer in hopes of recruiting Sheldon; Georgie gets a job working for Meemaw's new boyfriend; Mary is determined to rid her home of greed.

Mary gets Pastor Jeff involved when Sheldon isn't invited to Billy's birthday party; George Sr. has male bonding time with Dr. Sturgis.

Sheldon fakes being sick to avoid a swim test at school; Dr. Sturgis spies on Meemaw's new boyfriend.

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.

Cut off from his father's fortune, Koothrappali appoints Sheldon to help him get out of debt; Penny considers joining Leonard at Comic-Con.

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.

Bubbles' new brewing business is taking off, but things aren't going well for Julian and even worse for Ricky, who claims he has a big announcement.

In an attempt to go legit, Julian looks for a job at the mall and Ricky becomes a handyman; Lahey and Randy head to the racetrack.

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.

Cut off from his father's fortune, Koothrappali appoints Sheldon to help him get out of debt; Penny considers joining Leonard at Comic-Con.

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

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.

Bubbles' new brewing business is taking off, but things aren't going well for Julian and even worse for Ricky, who claims he has a big announcement.

In an attempt to go legit, Julian looks for a job at the mall and Ricky becomes a handyman; Lahey and Randy head to the racetrack.

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.

Bubbles' new brewing business is taking off, but things aren't going well for Julian and even worse for Ricky, who claims he has a big announcement.

In an attempt to go legit, Julian looks for a job at the mall and Ricky becomes a handyman; Lahey and Randy head to the racetrack.

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.

Lacey gets invited to join the Dog River Women's Club, but soon realizes 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.

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.

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.

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.

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.

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.

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.