"Grampa's Monster Movies" is a 1988 direct-to-video hosted horror movie, showing clips from monster movies; hosted by Al Lewis as "Grampa", with Keith Williams as the (unseen) voice of "Igor".

Grampa introduces a collection of horror and science fiction movie clips of some of Hollywood's most classic horror and science fiction movies. Between 1988 and 1989 Amvest Video release four direct to video Grampa titles - "Grampa's Silly Scaries", "Grampa's More Silly Scaries", "Grampa's Sci-Fi Hits", and "Grampa's Movie Monsters". On 7 September 2004, This movie was released on DVD by Amvest Video.—The Professor