Season 1: Episode 03: Chitty Chitty Death Bang
Peter inadvertantly loses Stewie's First Birthday Party reservations for Cheese E. Charley's and is force to kidnap a circus to make amends with his wife. Lois is furious with Peter when he allows Meg to attend a party the same day as Stewie's party. Unbeknownst to Meg, she's actually attending a cult meeting and when Peter brings her back home, the cult leader follows. Stewie recognizes the leader as the man who wants to return him to the 'ovarian bastille.'