There was a scene that was later scrapped in the episode The Graveyard Shift, where a character referred to as "FloorBoard Harry" is seen turning the lights on and off the whole time. This was found in one of the storyboards for the episode and was scrapped due to unknown reasons and instead replaced with Nosferatu.
With the exception of a scene in Patrick's rock Graveyard Shift takes place entirely at the Krusty Krab.
Although This Episode Premiered In 2001 It Was Made In 2000 According To The Credits
After Squidward tells a scary story, Spongebob screams 27 times in a row