When SpongeBob SquarePants mysteriously vanishes from Bikini Bottom, the entire ocean is thrown into chaos. With no trace of his jellyfishing net, his Krusty Krab hat, or even his signature giggle, his friends fear the worst. But Patrick Star refuses to give up. Convinced that SpongeBob has been kidnapped by a secret society of deep-sea dwellers known as “The Forgotten,” Patrick assembles an unlikely rescue team: Sandy Cheeks, Squidward Tentacles, Mr. Krabs, and even Plankton.

This film blends slapstick humor with heartfelt themes of friendship, identity, and belonging. It offers a unique journey beyond familiar reefs that tests the characters in new ways through puzzles and emotional challenges.