Treehouse of Horror series

Parts
Treehouse of Horror Treehouse of Horror II Treehouse of Horror III Treehouse of Horror IV Treehouse of Horror V Treehouse of Horror VI Treehouse of Horror VII Treehouse of Horror VIII Treehouse of Horror IX Treehouse of Horror X Treehouse of Horror XI Treehouse of Horror XII Treehouse of Horror XIII Treehouse of Horror XIV Treehouse of Horror XV Treehouse of Horror XVI

Deaths
Grounds Keeper Willie- thrice just in part 5.