Peter, Cleveland, Quagmire, and Joe watch the television show "Jackass". They want to record themselves doing dangerous stunts. Peter tries to fly over a lake. He hits a tree and falls in the lake. Brian tries to get Peter out of the lake, but he hurts his back. Joe swims to Peter and Brian and saves them both. Lois is not happy and tells Peter that Brian is getting old. Peter is sad because of this, so he gets another dog. He names it New Brian. New Brian is very happy to be with the family. Brian feels that the family does not want him, so he leaves the house.