Season 6
Episode 1: Taterhead is our Lovechild
Charlie discovers an ex has a child that looks remarkably like him.
Episode 2: Pie Hole, Herb
Alan goes too far in effort to collect $38 he loaned to Charlie. Evelyn arranges a job for Jake.
Episode 3: Damn You, Eggs Benedict
Alan, Jake, and Charlie all decide to try new things: Alan is dating more than one woman, Charlie learns to cook, and Jake experiments with beer.
Episode 4: The Flavin and the Mavin
Alan is sure that things will turn bad when Charlie starts dating his receptionist.
Episode 5: A Jock Strap In Hell
Discovering Miss Pasternak, Jake's former 5th-grade teacher, turned to stripping after her fling with Charlie, he tries to help her turn her life around.
Episode 6: Its Always Nazi Week (1)
When Judith kicks Herb out of the house, Alan hopes to reconcile with her. Meanwhile, Herb tries to adopt Charlie's bachelor ways.
Episode 7: Best H.O. Money Can Buy (2)
Alan tries to get away from Judith. Meanwhile, Charlie and Herb go out on the town, and Charlie uses the threat of military school to get Jake to do chores.
Episode 8: Pinnochio's Mouth
A new girlfriend wants Charlie to sleep over at her place. Meanwhile, Alan has trouble enforcing Judith's grounding of Jake.
Episode 9: The Mooch at the Boo
Charlie finds himself in an uncomfortable position when Jake takes off with the daughter of a former NFL player. Charlie's Mercedes seems to prove a boon to Alan's love life.
Episode 10: He Smelled the Ham, He Got Excited
Alan contemplates retiring when Evelyn states that she'll take care of Jake's college education. Meanwhile, Jake displays a talent that may eliminate the need for college altogether.
Episode 11: The Devil's Lube
Charlie finds himself re-examining his wild ways after an old friend dies during a visit.
Episode 12: Thank God for Scoliosis
Alan finds himself attracted to his receptionist, while Charlie and Jake compete for a waitress.
Episode 13: I Think You Offended Don
Alan continues to believe that he is responsible for Judith's pregnancy. Charlie is convinced he knows the reason behind Jake's bad mood.
Episode 14:David Copperfield Slipped Me A Roofie
After a birthday party she throws for Alan is met with indifference by his family, Melissa feels he's underappreciated and offers him the chance to live with her and her mother.
Episode 15: I'd Like To Start With The Cat
Charlie agrees to go with Chelsea to couples counseling with Dr. Linda Freeman.
Episode 16: She'll Still Be Dead At Halftime
With Chelsea soon to arrive, Charlie must find a way to get a half-naked date out of his bedroom.
Episode 17: The 'Ocu' of the 'Pado'?
Charlie's admission that he's in love with Chelsea gets a surprising reaction from her.
Episode 18: My Son's Enormous Head
Chelsea's illness gives Charlie a chance to prove he can take care of her, but also yearning to run away from the situation.
Episode 19: The Two Finger Rule
Chelsea's discovery of naked pictures of another woman on Charlie's iPhone leads to his swapping stories of sexual experiences during a drunken night with Alan, Herb, and Jerome.
Episode 20: Hello, I'm Allan Cousteau
Charlie's desperate to make sure Chelsea and Evelyn don't befriend each other following their first meeting.
Episode 21: Above Exalted Cyclops
Alan lets Chelsea fix him up on a blind date with one of her friends—Rose.
Episode 22: Sir Lancelot's Litter Box
Both Charlie and Alan face lifestyle changes when Chelsea moves into the house.
Episode 23: Good Morning Mrs Butterworth
Charlie seeks to take advantage of Alan and Chelsea's budding friendship. Alan takes up ventriloquy.
Episode 24: Baseball Was Better With Steroids
Mia's return finds Charlie questionning how devoted he is to Chelsea. Alan tries to write a screenplay. The guys rush a laboring Judith to the hospital.