"Goosebumps: SlappyWorld - Diary of a Dummy" is a direct-to-video were Slappy goes on a killing spree, he is the most hunted serial killer of all time and he will not stop until he is caught, but there is only one person to save the day.

"Goosebumps: SlappyWorld - Diary of a Dummy" is a direct-to-video were Slappy, the ventriloquist dummy, goes on a killing spree, becoming the most hunted serial killer of all time. Slappy will not stop until he is caught, but there is only one person to save the day.—The Professor