Rich Man, Poor Man (1976)

S4E26 Petergeist

Peter, eager to outdo Joe's impressive new home theater, decides to construct a multiplex in his backyard. While digging, he accidentally uncovers an ancient Indian burial ground. Among the artifacts, he finds the skull of an Indian chief, which leads to supernatural occurrences at the Griffin home. As chaos ensues, Stewie gets pulled into the television, prompting the family to confront the vengeful spirit in a desperate attempt to rescue him from the poltergeist's grasp.