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Petarded is the sixth episode of the fourth season of Family Guy, and the fifty-sixth episode overall.
Also Starring: Johnny Brennan, LeVar Burton (Himself), Gary Cole (Various), Barclay DeVeau, Ralph Garman (Various), Mike Henry (Cleveland Brown), Indigo, Phil LaMarr (Various), Cloris Leachman (Herself), Len Maxwell, Natasha Melnick, Danny Smith (Various), Alec Sulkin, Nicole Sullivan (Various), John Viener, Patrick Warburton (Joe Swanson), Lisa Wilhoit
An I.Q test reveals that Peter's I.Q. is in the mentally retarded range.