Something Stupid This Way Comes: Nergal returns trying to win friends with a giant carnival. Billy takes up his cause, revealing to Nergal the five C's of friendship. | A Grim Surprise: While on a Halloween excursion, Grim finds himself mistaken for a young boy named Gregory. It's up to Billy and Mandy to return Gregory to his mom and retrieve their wayward Grim. | Beasts & Barbarians: When Billy and Irwin get addicted to the video game Beasts & Barbarians, Mandy and Grim cure them by venturing to another dimension to give Billy and Irwin a taste of the real thing.