Charlie fights his attraction for Teddy's daughter.

Alan makes wedding plans for Evelyn and Teddy, while Charlie figures out how to get more acquainted with his future step-sister.

CSIs investigate a death at Charlie's house.

When Charlie's ex-girlfriend Courtney is released from prison, he treats her to the good life despite her having been in prison for conning him.

Alan goes to great lengths to be able to get Lyndsey a nice birthday present.

Depressed after his breakup from Courtney (Jenny McCarthy), Charlie goes to see his psychiatrist (Jane Lynch).

Alan and Jake meet Walden Schmidt, a broken-hearted billionaire.

Walden goes looking for Mrs. Right while Alan has an opportunity to reconcile with Lyndsey.