In order to raise money to buy Sea-Critters (similar to Sea-Monkeys), Billy has a garage sale where he sells Grim's scythe to Irwin for less than two cents. Then, with the power of the scythe, Irwin hypnotizes Mandy and takes her on a date. Later, Billy and Grim try to recover the scythe, and when they do Mandy gets out of the trance. In the end, Irwin is punished by being transformed into a Sea-Critter and placed in Billy's fish bowl.