<P> "Graveyard Shift" is the first part of the 16th episode of the second season, and the 36th episode overall, of the American animated television series SpongeBob SquarePants . The episode was written by Mr. Lawrence, Jay Lender, and Dan Povenmire, and the animation was directed by Sean Dempsey . Lender and Povenmire also served as storyboard directors . It originally aired on Nickelodeon in the United States on September 6, 2002, one year after "Band Geeks ." </P> <P> The series follows the adventures and endeavours of the title character and his various friends in the underwater city of Bikini Bottom . In this episode, Squidward and SpongeBob are forced to work 24 hours a day by Mr. Krabs, so that he can get more money . Squidward soon gets bored, and tells SpongeBob a scary story to have some fun with him . After scaring SpongeBob, Squidward tells him that the story is fictional . However, when Squidward and SpongeBob are alone, the events in Squidward's story begin to occur . </P> <P> The episode featured stock footage of Max Schreck as Count Orlok from the 1922 silent film Nosferatu . Episode writer Lender proposed the idea as a gag at the end of the episode, which series creator Stephen Hillenburg accepted . Before the idea of Count Orlok, Lender thought of "Floorboard Harry", an idea that was deleted . The episode received critical acclaim upon release . </P> <P> The episode begins with Squidward eagerly preparing to leave work at the Krusty Krab . Moments before he can leave, however, a customer shows up asking to be served . When the customer says that he will come to the Krusty Krab if it stays open later, Mr. Krabs is inspired to create a night shift, leaving an anticipating SpongeBob and an annoyed Squidward to work 24 hour shifts . </P>

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