House III: The Horror Show (also known simply as House III or The Horror Show) is a 1989 American slasher film directed by James Isaac, from a script co-written by Allyn Warner and Leslie Bohem. Produced by Sean S. Cunningham, it serves as the third installment in the House film series. Presented as a standalone installment in the series, it stars Lance Henriksen and Brion James in the lead roles. Centering around Detective Lucas McCarthy, who arrests a serial killer known as Max "The Cleaver" Jenke; the plot revolves around the latter's return from the dead as a malicious spirit to terrorize the detective and his family in their house.