Watch SpongeBob SquarePants Halloween for Free: How to Stream the Movie Online at 123Movies. . SpongeBob and friends have an ocean full of spookiness to deal with in this five episode spooky compilation DVD special, including: Scaredy Pants, Imitation Krabs, Frankendoodle, I Was a Teenage Gary, and Squidward the Unfriendly Ghost. And five extra bubblin' bonus episodes, including: The Secret Box, Band Geeks, Welcome to the Chum Bucket, My Pretty Seahorse, and Idiot Box.