Audrey and Mary's feud rears its head when Georgie needs their help with the tire store, and Jim's forced to confront his age after a visit to the DMV.

Ted’s plan to spend Halloween with John is thwarted when Blaire forces him to be her designated driver for the night. Susan tries to cheer John up by finding him a new friend.

Alan contemplates retiring when Evelyn states that she'll take care of Jake's college education. However, Jake displays a talent that may eliminate the need for college altogether.

Charlie finds himself re-examining his wild ways after an old friend dies during a visit.

Molly goes out with Victoria when Mike won't leave the couch.

Mike & Carl's bromance is in jeopardy.

When Peggy and Molly have lunch together, Mike worries that his mom is telling Molly unflattering stories about his childhood.

When Caroline runs into her engaged ex-boyfriend, Candy Andy, she starts to wonder if she made a mistake.

Max and Caroline's cupcake shop is boycotted after they refuse to sell cupcakes to an artist named "I", who wants to put cocktail sausages in them.

Han feels the diner gang is not working as a team and arranges a mandatory night out… where an ulterior motive is revealed.

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'.

A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.

The friends support Ross as he prepares for a keynote paleontological address in Barbados. Phoebe has her hands full with two suitors, David and Mike.

Rachel finally tells Joey about her crush on him. Monica and Mike compete at a game of ping pong.

Ross and Charlie decide that they can't go forward with a relationship before Ross talks to Joey, while Joey and Rachel decide that they can't go forward with a relationship before talking to Ross.

Ross tries to convince everyone that he's okay with Joey and Rachel being together while Phoebe gets an unusual offer from her half-brother. Chandler put his foot in it when he tells an unsuspecting child he's adopted.

Molly goes out with Victoria when Mike won't leave the couch.

Mike & Carl's bromance is in jeopardy.

When Peggy and Molly have lunch together, Mike worries that his mom is telling Molly unflattering stories about his childhood.

When Caroline runs into her engaged ex-boyfriend, Candy Andy, she starts to wonder if she made a mistake.

Max and Caroline's cupcake shop is boycotted after they refuse to sell cupcakes to an artist named "I", who wants to put cocktail sausages in them.

Han feels the diner gang is not working as a team and arranges a mandatory night out… where an ulterior motive is revealed.

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'.

A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.

The friends support Ross as he prepares for a keynote paleontological address in Barbados. Phoebe has her hands full with two suitors, David and Mike.

Rachel finally tells Joey about her crush on him. Monica and Mike compete at a game of ping pong.

Ross and Charlie decide that they can't go forward with a relationship before Ross talks to Joey, while Joey and Rachel decide that they can't go forward with a relationship before talking to Ross.

Ross tries to convince everyone that he's okay with Joey and Rachel being together while Phoebe gets an unusual offer from her half-brother. Chandler put his foot in it when he tells an unsuspecting child he's adopted.

Mike invites Molly to the Chicago Cubs opening day.

Samuel gets fired and moves in with Mike.

Mike helps Vince study for his GED.

Max is both puzzled and curious when the new guy she is dating is hesitant about intimacy because he is "not regular down there". Also, Sophie and Oleg struggle to get pregnant.

When Caroline's grandmother awakens from a coma with no knowledge of her family's massive money scandal, Caroline attempts to keep the truth hidden.

Oleg's cousin who plays professional basketball comes to town to play a game and gives Max two free tickets, but chaos ensues when the girls interfere with the game.

Leonard and Koothrappali escort a heartbroken Wolowitz to Las Vegas. Sheldon becomes locked out of his apartment so must stay with Penny.

Penny's second date with Stuart sees her making a comment that gives Leonard new hope for a relationship with her. Wolowitz realizes there's a crucial error in a NASA project he's working on.

The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.

Ross gets a spray-on tan that does not go well. Joey and Rachel's first date goes well until they return home and find everything awkward. Monica and Phoebe try to avoid Amanda, their annoying friend from London.

It's baby Emma's first birthday but a mishap at the bakery means the cake is shaped like an erotic object. Rachel won't let the party start until Emma wakes from her nap but everybody has other places to be.

Rachel's sister Amy babysits Emma to prove she's responsible but with disastrous results. Monica and Chandler solicit Joey to write a letter to the adoption agency on their behalf and Phoebe and Mike get engaged.

Ross applies for a palaeontology grant and finds out Charlie's ex-boyfriend reviews the applications, who in turn sabotages Ross's application. Chandler upsets Joey's when he's caught lying over Joey's audition tape.

Alan finds himself attracted to his receptionist, while Charlie and Jake compete for a waitress.

Alan continues to believe that he is responsible for Judith's pregnancy. Meanwhile, Charlie is convinced he knows the reason behind Jake's bad mood.

Alexis accidentally gets Johnny into the raw milk business. Moira tries to connect with the townsfolk, and David gives style advice to the competition without fully considering the consequences.

Max is both puzzled and curious when the new guy she is dating is hesitant about intimacy because he is "not regular down there". Also, Sophie and Oleg struggle to get pregnant.

When Caroline's grandmother awakens from a coma with no knowledge of her family's massive money scandal, Caroline attempts to keep the truth hidden.

Oleg's cousin who plays professional basketball comes to town to play a game and gives Max two free tickets, but chaos ensues when the girls interfere with the game.

Ross gets a spray-on tan that does not go well. Joey and Rachel's first date goes well until they return home and find everything awkward. Monica and Phoebe try to avoid Amanda, their annoying friend from London.

It's baby Emma's first birthday but a mishap at the bakery means the cake is shaped like an erotic object. Rachel won't let the party start until Emma wakes from her nap but everybody has other places to be.

Rachel's sister Amy babysits Emma to prove she's responsible but with disastrous results. Monica and Chandler solicit Joey to write a letter to the adoption agency on their behalf and Phoebe and Mike get engaged.

Ross applies for a palaeontology grant and finds out Charlie's ex-boyfriend reviews the applications, who in turn sabotages Ross's application. Chandler upsets Joey's when he's caught lying over Joey's audition tape.

Alan finds himself attracted to his receptionist, while Charlie and Jake compete for a waitress.

Alan continues to believe that he is responsible for Judith's pregnancy. Meanwhile, Charlie is convinced he knows the reason behind Jake's bad mood.