"Whoa, is that the moon?! It looks all chewed up..."
— Retro, Dead Leaves
French Narrator: I have been monitoring the behavior of the green moon all day. It is called Neptune's Moon. Every 100 years, it de-evolves everyone in Bikini Bottom into primal fish for two hours.
Sandy: Two hours?
French Narrator: Until it falls into another volcano and is extinguished.
Sandy: Two hours?
French Narrator: Until it falls into another volcano and is extinguished.
— SpongeBob SquarePants, "Feral Friends"