Petergeist Family Guy : Season 4 Episode 26

Peter wants to top Joe, who just built a new home theater system, so he starts to build a multiplex in his backyard. In doing so, he discovers an Indian burial ground. He finds an Indian chief's skull and the Griffin house becomes haunted. Stewie gets sucked into the television and strange events follow as they try to get Stewie back from the poltergeist.