Johnny contemplates running for Town Council. David and Stevie look for love in all the wrong places while Alexis comes to terms with single life.

Wendy closes in on Séamus and his family whilst navigating a casting crisis at work.

Charlie learns he can't be in a long-lasting relationship because of unresolved issues he has with his mother. Jake asks Charlie for advice about a girl at school.

Ignoring Alan's warnings, Charlie continues to date Isabella until she threatens to put a curse on his manhood.

Charlie runs into Chelsea's old friend Gail. Alan learns he's able to please a new female chiropractic patient just by working on her lower back.

Alan is torn between the bad influence of Jake's new friend and the hotness of his mother. Charlie has troubles writing the theme for a new TV show.

Alan plans an intimate night at a hotel with Lyndsay, but her "time of the month" gets in the way.

Frankie finds a new friend for Mike.

Sue sets out to prove that smiling is contagious.

Axl and his friends make a profit on broken hearts.

Axl and his friends make a profit on broken hearts.

When Sheldon learns that the guys tampered with his expedition data he got from the arctic, he leaves to Texas in disgrace. This results in the guys following him, which threatens Leonard's hope for some romantic time with Penny and the guys' friendship with Sheldon.

Leonard and Penny struggle to recover from an awkward first hookup while Sheldon and Howard stake their best comic books on a bet to determine the species of a cricket.

Howard and Raj visit a Goth nightclub to pick up women while Sheldon attempts to build a better Penny using chocolate-based behavior modification.

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.

Charlie runs into Chelsea's old friend Gail. Alan learns he's able to please a new female chiropractic patient just by working on her lower back.

Alan is torn between the bad influence of Jake's new friend and the hotness of his mother. Charlie has troubles writing the theme for a new TV show.

Alan plans an intimate night at a hotel with Lyndsay, but her "time of the month" gets in the way.

Frankie finds a new friend for Mike.

Sue sets out to prove that smiling is contagious.

Axl and his friends make a profit on broken hearts.

Axl and his friends make a profit on broken hearts.

Leonard and Penny struggle to recover from an awkward first hookup while Sheldon and Howard stake their best comic books on a bet to determine the species of a cricket.

Howard and Raj visit a Goth nightclub to pick up women while Sheldon attempts to build a better Penny using chocolate-based behavior modification.

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.

Alan tries to bond with Jake during a trip of their own to Sacramento to pick up a clock he's inherited.

Charlie is miffed over Alan's planned attendance of Chelsea's birthday party and suffers the indignity of having Jake chauffer him around following a license suspension.

Jake moves to Judith and Herb's when he learns Alan is dating the mum of his friend Eldridge. Meanwhile, Charlie tries to cut back on his alcohol intake.

Frankie frets about Brick's field trip to Chicago.

Frankie and Mike bring out the "wheel of pain."

Frankie's sister comes to help out.

Raj must find a new job or be sent back to India, but Sheldon has a solution, which leaves Leonard and Penny dealing with Howard as a third wheel.

After overhearing that Wil Wheaton is entering a trading-card competition, Sheldon decides to enter it himself. Meanwhile, Penny sets up one of her friends on a date with Wolowitz.

Sheldon becomes Leonard's teacher in order to understand football, while an incident with flying a kite threatens Howard and Raj's friendship.

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.

Mandy struggles to celebrate Georgie’s 21st birthday after hitting a rough patch in her career.

Realizing John is light on extracurricular activities for college applications, John and Ted audition for the school play; Matty and Susan get part-time jobs at Dunkin' Donuts.

Charlie wakes up with Rose the morning after her birthday party. Her irate father comes to ask Charlie about what the future holds for him and Rose but the unexpected happens when Evelyn shows up.

Charlie tricks Jake into taking ballet lessons so he can get close to the gorgeous instructor.

Ned takes over Esmeralda's advertorials and assigns the staff to test products themselves, but Esmeralda retaliates and covers one of Ned’s stories and finds a scandal; Ken turns Adam into a lab rat; Oscar and Adelola compare pain tolerances.

Lee and Glen face hard truths. Kirsty makes a dangerous deal to save her family.