Season 3, Episode When Peter decides to grow a bushy beard, he runs into an unexpected issue at the movies when he realizes the bird living in his beard is eating all his popcorn.
The Funniest GIFs of Peter Griffin Stuffing His Face
Season 7, Episode 14 Peter discovers a love of Kix cereal until Lois tells him it's healthy.
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Season 5, Episode 2: When Peter's mother, Thelma, divorces his father and begins dating news anchor Tom Tucker, Peter rebels and refuses to listen to his stepfather.
Quagmire barfs while Peter just discovers a love of Kix cereal until Lois tells him. Season 7, Episode 14 Peter.