S1·E3 Chitty Chitty Death Bang

Peter Allows Meg to go to a party with her new friend. This angers Lois because its the same day as Stewie's birthday. What Meg doesn't know is that she's actually attending a cult meeting. Peter comes to pick up Meg, when the Cult Leader follows. Stewie believes him to be the "Man in White", trying to return him to the womb.