"Walnuts and Demerol" - Season 4

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 a wedge between them.

"Kissing Abraham Lincoln" - Season 4

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.

"Corey's Been Dead for an Hour" - Season 4

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.

"Release the Dogs" - Season 4

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 life.

"Repeated Blows to his Unformed Head" - Season 4

Berta's daughter Naomi is pregnant and Berta drags Charlie with her when she confronts the baby's father. Meanwhile, Alan reveals a secret fetish while staying at the Harper house with Naomi.

"Apologies for the Frivolity" - Season 4

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

"A Live Woman of Proven Fertility" - Season 4

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 may be derailed due to Jake's dislike of his mother's fiancé.

"A Pot Smoking Monkey" - Season 4

Alan argues over the dog he and Kandi shared.