Family Guy Season: 4
Family Guy Episode: 12
Episode Air Date: September 18, 2005
Episode Description: Peter, Quagmire, Cleveland, and Joe get shipwrecked on a desert island during a storm out at sea. Thinking that Peter is dead, Lois marries Brian. She is, of course, overjoyed to see Peter safe when they are saved by a cruise ship, but is torn between her love for Peter and her comittment to Brian.