SpongeBob SquarePants (1999)

S7E8 The Curse of Bikini Bottom

The Flying Dutchman casts a spell on SpongeBob and Patrick, transforming them into ghosts. As they navigate their new spectral existence, they encounter various spooky challenges and adventures, all while trying to find a way to return to their normal selves. The duo must embrace their ghostly forms and work together to outsmart the Dutchman, leading to a series of hilarious and eerie escapades that test their friendship and courage.