Monster (2005) is a Horror, Thriller film that follows a mother battles with her son's fear of a monster lurking in the closet, but soon discovers a sinister presence all around her. Monster is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.7 out of 10 from 39 votes. Fans of horror movies may also want to explore similar titles below.