Peter, Quagmire and Joe take a trip to Canada. But after Peter gets lost for two months, a feral Peter returns to his family with no ability to communicate intelligently.
Seth MacFarlane
Peter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire (voice)
Alex Borstein
Lois Griffin / Tricia Takanawa / Loretta Brown / Barbara Pewterschmidt (voice)
Mila Kunis
Meg Griffin (voice)
Seth Green
Chris Griffin (voice)
Patrick Warburton
Joe Swanson (voice)
Arif Zahir
Cleveland Brown (voice)
Bill Maher
Bill Maher (voice)
Ted Jessup
(voice)
Wendy Schaal
Francine Smith (voice)
Max Charles
Davy Crockett (voice)
Mike Judge
Hank Hill (voice)
Dee Bradley Baker
Klaus (voice)
Rachael MacFarlane
Hayley Smith (voice)
Scott Grimes
Steve Smith (voice)
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