Goosebumps: How to Kill a Monster

Step siblings Gretchen and Clark arrive at Gretchen's grandparents' house in the middle of swamp country. After Clark plays a prank on her, Gretchen inadvertently enters a forbidden room, and is horrified by what she finds.

Cast

Courtney Hawkrigg

Ricky Mabe

Helen Hughes

Peter Boretski

Tim Rykert