Episode list

Chelsea encourages Charlie to help his ex-fiancée Mia launch her music career, but does he still have feelings for her? And what if she's a terrible singer? Meanwhile, Alan wants Charlie to let Melissa move in with him.

When Charlie's fiancée Chelsea convinces him to let Alan's girlfriend Melissa move in, the girls take over the house.

Alan is forced to take care of Judith's baby when Judith's mom falls off the wagon, and Jake tries to blackmail Charlie when he runs over Chelsea's cat.

Alan takes a job with his mom so that he can move out and have alone time with Melissa, and Chelsea is upset about the way that Jake is treating her.

Jake refuses to stay with Charlie and Alan after they embarrass him in public, so Alan tries to convince Charlie to work together to settle their differences and stop fighting with each other.

Alan suggests that Chelsea get breast reduction surgery and Charlie kicks him out.

After Charlie and Chelsea set their wedding date, Charlie and Alan go out and get drunk and wake up in bed together with a strange woman.

Charlie invites Chelsea's sexy friend to stay at his place while she gets over a breakup, secretly hoping that he will get a chance to have kinky three-way sex.

Charlie is crushed when he discovers that he hasn't been satisfying Chelsea; Alan attempts to cure his thinning hair on the cheap.

Charlie discovers that Chelsea hasn't been completely honest about her finances.

Against Alan's wishes, Charlie encourages Jake to hook up with a pretty girl he met on the beach since Jake's girlfriend is out of town for Christmas.

Jake writes love songs to woo back his ex-girlfriend; Herb and Alan hide their secret friendship from Judith's watchful eye.

Charlie endures a colonoscopy to get out of a trip to see Chelsea's bigoted parents, only to find them in his living room when he returns home.

Alan ends up in jail after a bar fight, and Charlie worries that Chelsea might be interested in the lawyer who takes the case.

When Charlie's jealousy threatens his relationship with Chelsea, he turns to Alan for help in becoming a better person. But will he be able to pull it off?

Charlie reacts to his breakup with Chelsea by taking the first woman that he sees and marrying her in Las Vegas.

Charlie and Chelsea get back together for one night, which leaves Charlie mistakenly believing that they are back for good.

Charlie hooks up with Chelsea's best friend, which could cause problems when Chelsea wants to get back together. Meanwhile, Alan is paid handsomely by a chiropractic patient who wants a different kind of adjustment.

Alan dates the mom of one of Jake's friends instead of telling her that her son and Jake went out drinking, but Charlie surprisingly does not approve of his actions.

Alan's plan for a romantic overnight getaway with his girlfriend hits an unexpected snag; Charlie has an unusual request for his overnight companion.

While Alan and Jake go to Sacramento to pick up a grandfather clock, Charlie gets a prescription for medical marijuana to help him sleep and forget about Chelsea.

Jake becomes Charlie's driver after Charlie has his license suspended, and to Charlie's chagrin, Alan makes plans to attend Chelsea's birthday party.