The episode that features the "hash slinging slasher" is "Graveyard Shift," which is the first part of the 16th episode of the second season of SpongeBob SquarePants. In this episode, Squidward tells SpongeBob a spooky story about the "hash slinging slasher," a former fry cook at the Krusty Krab who accidentally cut off his own hand, replaced it with a spatula, and was killed by a bus and fired at his funeral. Squidward tells SpongeBob that every Tuesday night, the ghost of the "hash slinging slasher" returns to the Krusty Krab to get revenge on those who fired him. The episode originally aired on September 6, 2002.