Three Kings is episode 15 of family guy season 07. It was originally aired on May 10, 2009.

Peter imagines his friends and family in three of Stephen King’s most famous works. Stand by Me
┬áparody – Twelve-year old Peter, Quagmire, Cleveland and Joe travel along a railroad track on a journey of self-discovery.
Misery parody – Brian is injured in a bad car crash only to be “rescued” by his “number one fan,” Stewie.
The Shawshank Redemption┬áparody – Cleveland and Peter become fast friends in prison.