Johnny and Moira become concerned about the future of the motel while David panics in anticipation of having to re-take his driving test.

Carpet salesman Glen faces chaos when his estranged brother Lee turns up unexpectedly and starts to disrupt his ideal suburban life.

Chelsea's gorgeous college roommate stays at the house to recover from a breakup but it would seem everyone at the house wants a piece of her.

Alan attempts to solve thinning hair in cheapskate fashion before heading out on dates. Chelsea reveals Charlie hasn't been pleasing her as much as he thinks he has.

Molly's upset that all her wedding pictures look terrible.

Mike & Molly start trying for a baby.

Mike is put in an uncomfortable situation when his mom starts dating his boss.

Caroline is impressed with not only the dessert bar renovations but also with the contractor on the job. Meanwhile, Max rushes to see Randy when she learns he is in a NYC hospital, and Sophie joins a mothers group that cares more about partying.

Caroline is excited to go on her first date with Bobby, but she gets nervous when she realises Max will be in charge of the dessert bar solo for the first time. Meanwhile, Sophie and Oleg decide to mix things up and try going out on a date instead of staying in.

As Caroline prepares for her third date with Bobby, she decides to spice things up by taking a burlesque class accompanied by a reluctant Max, who decides to abstain from sex after her breakup with Randy. Also, Max decides to go golfing with Han.

Leonard realizes he’s the only one without a girlfriend, while Sheldon wants to get rid of his.

Leonard keeps an affair a secret from Sheldon, Howard and Raj.

Sheldon's answers during an FBI interview put Wolowitz's security clearance in jeopardy.

Rachel waits patiently at the airport for Ross, not knowing he is returning with his new girlfriend, Julie. Desperate and upset, Rachel spends the night with her old lover, Paulo, the Italian stud.

The guys are uncomfortable with Carol breastfeed and Rachel is uncomfortable with Monica's growing friendship with Julie. Joey competes with a fellow cologne spritzer for the affections of a beautiful colleague.

The gang is amazed to learn Phoebe married a gay Canadian ice dancer to help him get his green card. Ross seeks relationship advice from Rachel after revealing he and Julie have yet to consummate their relationship.

Molly's upset that all her wedding pictures look terrible.

Mike & Molly start trying for a baby.

Mike is put in an uncomfortable situation when his mom starts dating his boss.

Caroline is impressed with not only the dessert bar renovations but also with the contractor on the job. Meanwhile, Max rushes to see Randy when she learns he is in a NYC hospital, and Sophie joins a mothers group that cares more about partying.

Caroline is excited to go on her first date with Bobby, but she gets nervous when she realises Max will be in charge of the dessert bar solo for the first time. Meanwhile, Sophie and Oleg decide to mix things up and try going out on a date instead of staying in.

As Caroline prepares for her third date with Bobby, she decides to spice things up by taking a burlesque class accompanied by a reluctant Max, who decides to abstain from sex after her breakup with Randy. Also, Max decides to go golfing with Han.

Leonard realizes he’s the only one without a girlfriend, while Sheldon wants to get rid of his.

Leonard keeps an affair a secret from Sheldon, Howard and Raj.

Sheldon's answers during an FBI interview put Wolowitz's security clearance in jeopardy.

Rachel waits patiently at the airport for Ross, not knowing he is returning with his new girlfriend, Julie. Desperate and upset, Rachel spends the night with her old lover, Paulo, the Italian stud.

The guys are uncomfortable with Carol breastfeed and Rachel is uncomfortable with Monica's growing friendship with Julie. Joey competes with a fellow cologne spritzer for the affections of a beautiful colleague.

After Mr. Heckles dies, leaving all his belongings to Monica & Rachel, Chandler discovers eerie similarities between the late eccentric man and his own life. Ross & Phoebe have a dispute over the progress of evolution.

The gang is amazed to learn Phoebe married a gay Canadian ice dancer to help him get his green card. Ross seeks relationship advice from Rachel after revealing he and Julie have yet to consummate their relationship.

While Mike's away, Molly decides to have a yard sale.

Molly gets a break when Mike is sick for Thanksgiving.

Mike gets nervous when Molly doesn't get pregnant.

When Bobby invites Caroline to a party to meet his family, she is eager to make a good impression but isn't prepared for the torch that his mother and sisters still carry for Bobby's ex-girlfriend.

When Han's therapist suggests that Max needs to confront her daddy issues, she reluctantly heads to Rhode Island to track down her birth father with the diner gang in tow.

Max reads a text on Bobby's phone suggesting he has a child with his ex, Jessica, so she and Han go undercover as an engaged couple to Jessica's wedding planning shop to find out the truth.

While the guys camp in line for a long-awaited movie screening, Penny and Bernadette invite Amy to her first slumber party.

Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.

Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.

When a sexy woman calls the wrong number, Chandler seeks to make the most of the situation. Income issues divide the friends: the well-off Ross, Chandler and Monica versus the not-so-well-off Phoebe, Rachel and Joey.

When Ross has an allergic reaction to Monica's kiwi-lime pie, Chandler & Joey baby-sit Ross's son Ben, but then use him to help them pick up girls. Phoebe loses her Central Perk singing gig to a professional singer.

A drunken Rachel is persuaded to call Ross and reveals her feelings for him on his answering machine. Monica finds work as Chandler's personal trainer and Phoebe has a hard time trying to get her man to sleep with her.

Ross must choose between Rachel and Julie and enlists Joey and Chandler's help in making a list of the pros and cons of each. Monica gets a job making food with a synthetic chocolate substitute called Mockolate.

Matty’s unorthodox Christmas wish is granted, completely upending the Bennett family dynamic. A trip to church gets John and Ted wondering about Ted’s miraculous origin.

Charlie broaches the subject of a pre-nup and is left stunned to discover Chelsea has just as much need for one as he does.