Charlie’s young, hot girlfriend takes him to a new club. She invites Alan to meet one of her friends but the men are shocked to learn that they are considered…

Rose is moving to London, and Charlie is surprised by his reaction to the news. Alan lies to a woman he met online.

Charlie sets Alan up with their new neighbour. But he gets jealous when the two form a bond.

Jake shares that he has heard his mother having sex with her fiancée, Herb; this revelation brings up a repressed memory for Charlie. This leads Charlie to seek help from…

Berta discovers that Alan has been dating her daughter Naomi.

Charlie’s friends and family put a crimp in his plan for a romantic Christmas Eve date. When Evelyn sees who the date is, she goes to great lengths to force…

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

Worrying Charlie may get rid of one of them, Berta and Lydia fight over him. Meanwhile, Kandi does everything she can to stop Alan from selling their condo.

Alan suffers from insomnia. He visits his psychiatrist (Jane Lynch), who reveals that the cause of Alan’s sleepless nights is his jealousy towards Charlie, and his inability to glide through…

Berta’s daughter, Naomi is pregnant and Berta drags Charlie with her when she confronts the baby’s father. Alan reveals a secret fetish.

Charlie is dating a woman whose personality and life are like his mother’s.

Alan is overjoyed by the prospect of Judith remarrying, as he would no longer have to pay alimony. Alan gets Charlie to help him when it looks like the marriage…

Alan tries to hire his ex-wife’s lawyer to help him win custody over the dog he and Kandi shared.

Charlie tries to surf to impress Dottie, a beautiful woman he just met, but after he nearly drowns he is convinced that he saw his late father.

Charlie finally tells Alan that he didn’t marry Mia because she wanted Alan and Jake to move out of the house, but Alan finds a hole in his logic. Charlie…

Charlie returns to his bachelor lifestyle after Alan moves out of the house. Alan suffers a breakdown after his divorce from Kandi.

Mia comes back to town with her dance troupe and invites Charlie to her performance. At first, he decides not to go and tries to convince Alan that he no…

Charlie and Mia start making their wedding arrangements. Things begin to fall apart when their two families meet each other. They eventually decide on a small ceremony in Las Vegas.

A girl from Jake’s school invites him to his first boy-girl party. Charlie and Alan help him get ready for it by giving him advice. Alan and Charlie get nostalgic…

Jake’s teacher has a meeting with Alan and Judith to discuss the lack of interest Jake has at school. Alan starts to fall for Francine, in a platonic way, because…

Alan tries to win Kandi back. Meanwhile, Charlie starts to sleep with her mom, Mandi, and Judith gets set up with her father, Andy.

Charlie is surprised to find out that Kandi has been living with them for the last three weeks. Alan is having a tough time helping Kandi earn a living. Charlie…

Alan starts to have financial problems when he starts paying for his girlfriend’s bills, so Charlie tries to get him to break up with her. Meanwhile, Judith is after Alan…

Alan has trouble deciding if he should bring his younger girlfriend to Jake’s birthday party to meet his mom and his ex-wife. Rose tries to get her boyfriend to act…

Charlie is nominated for an advertising award, but he decides to boycott it because his arch nemesis always wins. The rest of his family tries to trick him into going….

Charlie has trouble keeping up with Mia’s healthy lifestyle, so he begins to sneak beers, cigars, and burgers behind her back. When Mia finds out what he was doing, Charlie…

Charlie arranges a romantic date with Mia in the hopes of consummating their relationship. Alan begins to date Charlie’s most recent ex-girlfriend.

Charlie finds himself in a relationship that is not based on sex.

Charlie sees a therapist to learn how to deal with Alan’s emotional insecurities.

Charlie helps Alan with his obsession of always having to get approval from the women in his life.

Alan starts dating a woman with a Martha Stewart complex. Before long she’s running the house with an obsession for perfection.

One of Charlie’s elderly neighbors tries to seduce Alan, while Charlie tries to stop Jake from giving money to a televangelist.

Charlie tricks Jake into taking ballet lessons, so he can get close to the teacher.

Charlie wakes up with Rose the morning after her birthday party. Her irate father (Martin Sheen), comes to ask Charlie about what the future holds for him and Rose, but…

Ignoring Alan’s warnings, Charlie continues to date Isabella until she threatens to put a curse on his manhood.

Charlie learns he can’t be in a long-lasting relationship, becuase of unresolved issues he has with his mother. Jake asks Charlie for advice about a girl at school.

Berta causes tension between Charlie and Alan, when she temporarily moves in with them

Jake gets suspended from school after drawing an offensive picture of a girl in his class that has large breasts. Meanwhile, Charlie is asked to watch over Alan’s chiropractic office…

Alan has been dating a lot, and Charlie soon finds out that it has been one woman – his ex-wife, Judith. He tries to stop Alan, and even brings Rose,…

After falling off the roof, Alan needs Charlie’s help in looking after Jake, which interferes with Charlie’s social life.