Johnny talks himself into an unlikely business partnership with Bob. David gets an interview at a woman's clothing store while Moira reluctantly cares for an ailing Alexis.

Ron’s teasing makes Joyce question whether her friendship with a pharmaceutical rep is genuine. Alex has trouble letting Serena take on a new task. Matt finds a mentor in Bruce.

After a shocking discovery in the Beaucroft crypt, Gabe fakes his exit from Beaucroft Hall, determined to spy from a distance and uncover the truth.

Charlie sleeps with a woman who is sick & catches her flu. With nobody in his family there to look after him, Rose (back from England) offers her help. Alan feels Jake is pulling away from him which makes him feel sad.

Charlie sleeps with a woman who is sick & catches her flu. With nobody in his family there to look after him, Rose (back from England) offers her help. Alan feels Jake is pulling away from him which makes him feel sad.

Alan begins dating a divorced woman who used to best-couple friends with him and Judith. He's happy until he learns more about Herb and Judith's sex life than he actually wanted to know.

Christy & Bonnie are shocked by how prison changed Regina.

Violet's new boyfriend is old enough to be her father.

Christy & Bonnie are tempted by Bonnie's pain medication.

Mike invites Molly to the Chicago Cubs opening day.

Samuel gets fired and moves in with Mike.

Mike helps Vince study for his GED.

As the gang celebrates Star Wars Day, Sheldon discovers he is having difficulty dealing with the death of Professor Proton.

A bad day causes Penny to reevaluate her life choices – including Leonard. Meanwhile, Howard and Bernadette struggle to care for Mrs. Wolowitz, and Raj gets relationship advice from Sheldon.

Sheldon get upset about his career, the destruction of the comic book store and Leonard and Penny's future living arrangements. Howard and Bernadette can't keep hold of a carer for his mother.

Ross is asked to give a series of lectures at NYU. Phoebe learns from her psychic that she only has a week to live. Learning his health insurance has lapsed, a hernia-bearing Joey tries to pick up a quick acting gig.

Joey finds the keys to a Porsche in Central Perk and while trying to find the owner winds up pretending he owns the car. Meanwhile, Chandler, Monica and Phoebe babysit Alice and Frank's triplets.

Chandler and Monica are moving in with each other, which means Rachel is moving in with Phoebe and Joey will be without a roommate. Ross doesn't want to help with the packing so he stays at home with Ben, or so they think.

Rachel regrets asking Phoebe to jog with her when her uncoordinated movements attract unwanted attention. Chandler decides to surprise Monica by cleaning the apartment but forgets where everything goes.

Christy & Bonnie are shocked by how prison changed Regina.

Violet's new boyfriend is old enough to be her father.

Christy & Bonnie are tempted by Bonnie's pain medication.

Samuel gets fired and moves in with Mike.

Mike helps Vince study for his GED.

As the gang celebrates Star Wars Day, Sheldon discovers he is having difficulty dealing with the death of Professor Proton.

A bad day causes Penny to reevaluate her life choices – including Leonard. Meanwhile, Howard and Bernadette struggle to care for Mrs. Wolowitz, and Raj gets relationship advice from Sheldon.

Sheldon get upset about his career, the destruction of the comic book store and Leonard and Penny's future living arrangements. Howard and Bernadette can't keep hold of a carer for his mother.

Ross is asked to give a series of lectures at NYU. Phoebe learns from her psychic that she only has a week to live. Learning his health insurance has lapsed, a hernia-bearing Joey tries to pick up a quick acting gig.

Joey finds the keys to a Porsche in Central Perk and while trying to find the owner winds up pretending he owns the car. Meanwhile, Chandler, Monica and Phoebe babysit Alice and Frank's triplets.

Chandler and Monica are moving in with each other, which means Rachel is moving in with Phoebe and Joey will be without a roommate. Ross doesn't want to help with the packing so he stays at home with Ben, or so they think.

Rachel regrets asking Phoebe to jog with her when her uncoordinated movements attract unwanted attention. Chandler decides to surprise Monica by cleaning the apartment but forgets where everything goes.

Bonnie goes to extremes to keep a major secret from Christy.

Everyone but Christy supports Bonnie after her relapse.

Christy & Bonnie's acidic relationship makes them unwelcome.

Mike & Molly get caught up in Victoria's birthday drama.

Mike & Molly are asked about marriage.

Mike and Molly adjust to life as an engaged couple.

Leonard and Amy take a road trip.

Howard takes a class that Sheldon's teaching.

Howard is invited by NASA to throw the first pitch at a game.

After bleaching his teeth for a date, Ross discovers they now glow in the dark. Chandler convinces Joey that Janine is trying to take over his apartment and Phoebe makes out with the copy guy at Rachel's office.

Monica's parents come for Thanksgiving, which is a problem because Monica never told them Chandler was living with her. Joey and Ross can't wait for dinner to end so they can go to Janine's "Thanksgiving with 'models".

Janine gets an invitation to dance on "Dick Clark's New Year's Rockin' Eve" and invites Joey, Monica and Ross along. Monica and Ross are ecstatic about this as it gives them a chance to finally use their 'routine'.

Rachel orders an apothecary table from Pottery Barn, which is a problem because Phoebe hates the mass-producing company. After a double date, Janine tells Joey she thinks Chandler and Monica are boring.

Dan helps Roz with an investigation that goes awry as they find themselves pleading their case in front of Abby.

When Trey spends his first night at The Nest, he discovers evidence that Jim and Julia once had a more adventurous relationship than he imagined, and he must erase it.

While at the coffee shop Charlie is recognised by a woman he dated but Charlie can't remember her name. Jake falls for the same woman's daughter so Charlie double-dates with Jake and fixes Alan up with a hooker.

After seeing Charlie with a lot of females in the space of one day, Alan feels Charlie is unable to control his womanising ways. Charlie goes to see his shrink who makes him realise he's missing the one that got away.

Moira attempts to beautify the town. David misuses the company credit card, and Alexis and Mutt question their relationship after a personal grooming misstep.

Mike & Molly get caught up in Victoria's birthday drama.

Mike & Molly are asked about marriage.