The seventh season of Family Guy first aired on the Fox network from September 28, 2008, to May 17, 2009, before being released as two DVD box sets and syndicated. The animated television series follows the dysfunctional Griffin family, who reside in the fictional town of Quahog, in the U.S. state of Rhode Island. The show features the voices of series creator Seth MacFarlane, Alex Borstein, Seth Green, and Mila Kunis in the roles of the Griffin family.

Peter Löwenbräu Griffin Sr. is a fictional character and the protagonist of the American animated sitcom Family Guy. He is voiced by the series' creator, Seth MacFarlane, and first appeared on television, along with the rest of the Griffin family, in the episode "Death Has a Shadow" on January 31, 1999. Peter was created and designed by MacFarlane himself. MacFarlane was asked to pitch a pilot to the Fox Broadcasting Company based on Larry & Steve, a short made by MacFarlane which featured a middle-aged character named Larry and an intellectual dog, Steve. For the series, Larry was renamed Peter.