Two And A Half Men: Season 4, Episode 1

4 - 1: Working for Caligula

Charlie returns to his bachelor lifestyle after Alan moves out of the house. Alan suffers a breakdown after his divorce from Kandi, the occurrence of which surprised no one, and everyone bets on when they'll divorce (including Jake). Charlie takes desperate measures to help his brother: he calls in their mom to talk to Alan. Title quotation from: Berta, bemoaning having to clean up after Charlie's party.