One Day at HorrorLand Part 1 is a Goosebumps television episode adapted from the R. L. Stine novella One Day at HorrorLand. It was written by Dan Angel and Billy Brown and directed by William Fruet. It first aired October 25, 1997.
The Morris family happens upon a theme park called "Horrorland" run by monsters called Horrors. They are subjected to terrifying rides and eventually discover they are trapped.