Scooby and Shaggy are at the Coolsville comic book convention where they learn their old friend has been saving the #1 comic book of Commander Cool for them. They find themselves in trouble when one Commander Cool's enemies comes to steal the comic book.

Scooby and Shaggy go to see a scary film while dropping off Shaggy's baby sister at the sitters, but they are horrified when they find the sitter is hideous. What's worse is that the monster movie character has come to life and an escaped convict is on the loose.