The Man with Two Brians

"The Man with Two Brians" is the fifth episode of the seventh season of, and the 115th episode overall. It first aired on November 9, 2008.

Synopsis
"After watching (guest-voicing as himself) on "Jackass," Peter and the guys film their own shenanigans. When Brian gets hurt, the family worries that he's getting too old, so Peter brings home a new dog. Everything is great until the "new Brian" crosses the line and humps Stewie's favorite toy."

- The Futon Critic