Looking for privacy, Johnny and Moira take the Mayor up on his offer of using his cabin for a night, while Alexis and David use the opportunity to throw a party.

Wendy handles a wee legal crisis stemming from Jack E. McCarthy as a couple of Proctor family secrets come to light in the dark.

Charlie dates a woman whose personality and life are like his mother's.

Berta drags Charlie with her when she confronts the father of her pregnant daughter's baby. Meanwhile, Alan reveals a secret fetish.

Jill struggles to make sense of a messy new relationship.

Tammy pays a visit to the steakhouse she once robbed.

Mike is forced to arrest Joyce for a DUI.

Mike & Molly have the house to themselves all weekend.

Molly throws a sudden retirement party for Peggy.

With his friends on dates, Raj must face his loneliness. Also, Wolowitz is caught in an argument between Bernadette and his mom, even while he’s in space.

When Sheldon learns that Penny is thinking about breaking up with Leonard, he tries to intervene. Meanwhile, in space, the other astronauts pick on Howard.

Amy feels threatened when Sheldon hires a young female assistant, and the pressure of being in space takes its toll on Wolowitz.

Ross and Rachel compete to spend time with their other friends. When a lonely Ross is excluded from Rachel's ski trip with her pals, he visits Carol. Meanwhile, Chandler starts smoking again.

Monica agrees to a date with one of her customers, who turns out to be very well-off. Phoebe's half-brother visits and announces he's getting married to an older woman and Chandler uses a hypnosis tape to quit smoking.

After splitting from Ross, Rachel goes on her first date with Mark from the office. Joey develops a crush on his co-star in his new play and Monica continues to date Pete, even though she's not attracted to him.

Rachel regrets making a date for Chandler & Joanna, her boss. Joey's interest in Kate intensifies after they sleep together. Monica's aunt leaves her an antique dollhouse which Monica doesn't want Phoebe to play with.

Jill trades barbs with a worthy opponent.

Jill struggles to make sense of a messy new relationship.

Tammy pays a visit to the steakhouse she once robbed.

Mike is forced to arrest Joyce for a DUI.

Mike & Molly have the house to themselves all weekend.

Molly throws a sudden retirement party for Peggy.

With his friends on dates, Raj must face his loneliness. Also, Wolowitz is caught in an argument between Bernadette and his mom, even while he’s in space.

When Sheldon learns that Penny is thinking about breaking up with Leonard, he tries to intervene. Meanwhile, in space, the other astronauts pick on Howard.

Amy feels threatened when Sheldon hires a young female assistant, and the pressure of being in space takes its toll on Wolowitz.

Ross and Rachel compete to spend time with their other friends. When a lonely Ross is excluded from Rachel's ski trip with her pals, he visits Carol. Meanwhile, Chandler starts smoking again.

Monica agrees to a date with one of her customers, who turns out to be very well-off. Phoebe's half-brother visits and announces he's getting married to an older woman and Chandler uses a hypnosis tape to quit smoking.

After splitting from Ross, Rachel goes on her first date with Mark from the office. Joey develops a crush on his co-star in his new play and Monica continues to date Pete, even though she's not attracted to him.

Rachel regrets making a date for Chandler & Joanna, her boss. Joey's interest in Kate intensifies after they sleep together. Monica's aunt leaves her an antique dollhouse which Monica doesn't want Phoebe to play with.

Bonnie struggles with her self-worth after Tammy's success.

Bonnie & Tammy's friendship is tested by a big project.

Jill & Andy find themselves in a life-or-death situation.

Molly worries obsessively over her book's sales.

Peggy shares stories for Molly's next book.

Mike celebrates his weight loss with a slice of pie.

When Wolowitz returns from space, he doesn’t get the hero’s welcome he expected. Meanwhile, Game Night turns into a battle of the sexes.

The gang celebrates Halloween at Stuart’s comic book store. Meanwhile, Leonard seduces Penny with science.

Sheldon’s relationship with Stephen Hawking is threatened over a game of ‘Words with Friends,’ and Penny secretly enrolls in a class at the local college.

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.

When Jimmy Jr.’s annual Pinewood Derby is moved to the same night as Grace’s last father-daughter dance, Jim finds himself suddenly having to choose between his two children.

Mandy finds out Meemaw runs an illegal sportsbook and decides she wants in on the action. Meanwhile, Georgie struggles to keep Mandy’s new job a secret.

Alan suffers about of insomnia and a visit to his psychiatrist reveals the cause of Alan's sleepless nights is his jealousy towards Charlie and his own inability to glide through life.

Charlie gets tired of Alan's mooching and reaches the breaking point during the brothers' double date. Meanwhile, Jake is left home alone for the first time.

Moira is hired as the spokesperson for a local winery. Alexis gets a little too close to Mutt, while David struggles with a mysterious health problem.