Watch Family Guy Season 4 Episode 18 online via TV Fanatic with over 7 options to watch the Family Guy S4E18 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Hulu Plus, and Adult Swim.
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When Peter's dad visits the family, he attempts to push his religious beliefs on the family. After a mixup with holy water puts Stewie in a bubble, Peter starts his own religion devoted to The Fonz.