"Cartoon Wars Part I" is the third episode of the tenth season of the American animated television series South Park, and the 142nd episode of the series overall. It first aired on Comedy Central in the United States on April 5, 2006. It is part one of a two-episode story, which concludes with "Cartoon Wars Part II". In the episode, it is announced that a Family Guy episode will air with the Muslim prophet Muhammad as a character, leaving the whole of the United States fearing for their lives.