Wikipedia
"Petergeist" is the 26th episode from season four of Fox animated series Family Guy. Peter decides to build a multiplex to top Joe's new home theater, but comes across an Indian skull in his backyard and desecrates it. As a result, a poltergeist haunts the Griffins' house and spirits drag Stewie away to the other side, followed by even stranger events.
The episode was written by Alec Sulkin and Wellesley Wild and it was directed by Sarah Frost. This episode features guest appearances from Phil LaMarr, Lori Alan, Adam West, Carrot Top, and Bob Costas as well as several recurring voice actors for the series.
The episode's name comes from and the plot closely follows that of the movie Poltergeist. The episode received mixed reviews.