Johnny and Stevie attend the regional hospitality awards, while Moira does everything in her power to stop Alexis from auditioning for Cabaret.

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

Georgie joins a church to sell tires to the congregation; Mandy worries there is more to it than that.

Alan finds himself in a bind when his beautiful ex-wife makes a pass at him. However, being in a committed relationship with Lyndsey, Alan tries to do the right thing by turning down Kandi and telling Lyndsey. Meanwhile, Walden helps Berta celebrate her birthday.

Tired of dating or even meeting women who are only interested in his fortune, Walden decides to create an online persona as a poor schlub named Sam Wilson who is very much like Alan Harper (no job, no prospects, no charm). Then he meets Kate, a wannabe fashion designer.

Christy's in the middle of tension between Bonnie & Alvin.

Christy & Bonnie help Violet through labor.

Bonnie is furious when Christy's poor financial decisions threaten the family's living situation.

Max and Caroline are invited to be extras on a popular TV show shooting a scene in Han's diner, but when Caroline catches the director's eye, he offers her an actual role - with strings attached.

Caroline's father asks her to go on a talk show to defend him when a former employee threatens to defame him in a tell-all book.

When Max and Caroline offer to deep-clean a previously hidden part of the diner they discover something that could relaunch their cupcake business.

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.

A paintball game leads to a fight between Sheldon and Penny and romance for Leslie and Wolowitz.

Monica considers a dream job in Pete's new restaurant. Joey and Chandler adopt a baby chick and a duck and Ross misses a panel for the Discovery Channel to help Rachel, who may have a broken rib.

At the premiere of Joey's big play, Ross alone concludes Rachel's date is insane. Joey falls in love with Kate but she gets a big job in Los Angeles and poor Phoebe is on hold for days with a company she needs to talk.

Afflicted with a mysterious skin condition on his butt, Ross seeks advice from Phoebe's herbalist. Phoebe can't choose between dating a fireman or a schoolteacher and Monica can't decide what to do about Pete.

Monica must decide her future with Pete when he won't give up on competing in an Ultimate Fight. Chandler has a problem with his new slaphappy boss and Phoebe sets Ross up on a date with a woman who used to be bald.

Christy's in the middle of tension between Bonnie & Alvin.

Christy & Bonnie help Violet through labor.

Bonnie is furious when Christy's poor financial decisions threaten the family's living situation.

Max and Caroline are invited to be extras on a popular TV show shooting a scene in Han's diner, but when Caroline catches the director's eye, he offers her an actual role - with strings attached.

Caroline's father asks her to go on a talk show to defend him when a former employee threatens to defame him in a tell-all book.

When Max and Caroline offer to deep-clean a previously hidden part of the diner they discover something that could relaunch their cupcake business.

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.

A paintball game leads to a fight between Sheldon and Penny and romance for Leslie and Wolowitz.

Monica considers a dream job in Pete's new restaurant. Joey and Chandler adopt a baby chick and a duck and Ross misses a panel for the Discovery Channel to help Rachel, who may have a broken rib.

At the premiere of Joey's big play, Ross alone concludes Rachel's date is insane. Joey falls in love with Kate but she gets a big job in Los Angeles and poor Phoebe is on hold for days with a company she needs to talk.

Afflicted with a mysterious skin condition on his butt, Ross seeks advice from Phoebe's herbalist. Phoebe can't choose between dating a fireman or a schoolteacher and Monica can't decide what to do about Pete.

Monica must decide her future with Pete when he won't give up on competing in an Ultimate Fight. Chandler has a problem with his new slaphappy boss and Phoebe sets Ross up on a date with a woman who used to be bald.

Christy pretends she's fine, although her family's homeless.

Christy and Bonnie rent a house with a colorful past.

Bonnie goes job-hunting while Christy figures out Violet.

Business booms for Max and Caroline's new cupcake walk-up window when word spreads about a shocking incident involving a rock star.

Caroline tries to raise money for an expensive pair of new pants through an online fundraising site. Meanwhile, Max's obsession with her new Smartphone starts to come between her and Caroline.

When Max becomes smitten with an old stray cat that's been hanging around the apartment, Caroline persuades her they need to find it a better home. After a long search, they are convinced they've found the desired ''good home'', but then the cat's fate takes a turn.

Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress (Summer Glau) is on board the train they are taking to San Francisco.

Penny's home business turns into a complete nightmare when Sheldon takes over.

Penny squares off with a new beautiful female neighbor who may become the building's 'new Penny'.

At the beach, Phoebe meets a family friend with links to her past; Ross discovers Rachel still loves him; strip poker leaves Joey naked; Chandler wonders why Monica doesn't think he's serious when he asks her out.

Ross chooses between Rachel and his girlfriend Bonnie. Phoebe struggles with the revelation of her mother's friend being her real mother. Monica gets stung by a jellyfish, forcing Chandler and Joey to relieve her pain.

Phoebe believes her adoptive mother's spirit resides in a cat that jumped into her guitar case in Central Perk. Monica goes on a date with Rachel's hunky high-school boyfriend and Joey takes stupidity to a new level.

Monica caters a party for her mother who still doesn't know how to talk to her daughter. Chandler's encounter with Rachel's boss leads to an embarrassing situation and an encyclopaedia salesman takes advantage of Joey.

After being upstaged by Second Wife at Transcience Fest, things go from bad to worse: a shock eviction leaves the band without a rehearsal space. But a chance lifeline leads them down an unexpected path.

Ted and John’s plan to exact revenge on the school bully inadvertently puts them in a parental role. Matty agrees to get a colonoscopy… on one condition.

Walden wants to invest in his girlfriend Kate's fashion career, without her discovering that he is billionaire Walden Schmidt rather than broke "Sam Wilson", as he's led her to believe. What is more, the stress of the deception is beginning to affect Walden's health.

David agrees to sub in for the annual baseball game, and Moira runs a rehearsal that pushes Stevie over the edge.

Business booms for Max and Caroline's new cupcake walk-up window when word spreads about a shocking incident involving a rock star.

Caroline tries to raise money for an expensive pair of new pants through an online fundraising site. Meanwhile, Max's obsession with her new Smartphone starts to come between her and Caroline.

When Max becomes smitten with an old stray cat that's been hanging around the apartment, Caroline persuades her they need to find it a better home. After a long search, they are convinced they've found the desired ''good home'', but then the cat's fate takes a turn.

At the beach, Phoebe meets a family friend with links to her past; Ross discovers Rachel still loves him; strip poker leaves Joey naked; Chandler wonders why Monica doesn't think he's serious when he asks her out.

Ross chooses between Rachel and his girlfriend Bonnie. Phoebe struggles with the revelation of her mother's friend being her real mother. Monica gets stung by a jellyfish, forcing Chandler and Joey to relieve her pain.

Phoebe believes her adoptive mother's spirit resides in a cat that jumped into her guitar case in Central Perk. Monica goes on a date with Rachel's hunky high-school boyfriend and Joey takes stupidity to a new level.

Monica caters a party for her mother who still doesn't know how to talk to her daughter. Chandler's encounter with Rachel's boss leads to an embarrassing situation and an encyclopaedia salesman takes advantage of Joey.

Still pretending to be the poverty-stricken "Sam Wilson", Walden spends Christmas with Kate. Meanwhile, Walden & Billy close a deal to sell their electronic suitcase for $1.2 billion. Elsewhere, Alan's Christmas goes south when all his loved ones have other commitments.

Walden wants to invest in his girlfriend Kate's fashion career, without her discovering that he is billionaire Walden Schmidt rather than broke "Sam Wilson", as he's led her to believe. What is more, the stress of the deception is beginning to affect Walden's health.