SpongeBob SquarePants and Plankton's Revenge is a SpongeBob SquarePants online game. It involves Plankton taking control of Bikini Bottom and covering it with sticky gum so no citizens can escape. SpongeBob is in Jellyfishing Fields when this starts to happen, and he defeats every enemy in the fields. Just after this, Patrick remembers that in Club SpongeBob there are redoubts to defeat Plankton. So he heads there, but is surrounded at Club SpongeBob. Meanwhile,Plankton's henchmen are attacking Conch Street. Squidward is attacked first, so he runs to SpongeBob's house. SpongeBob fights off the enemies, but Sandy is in trouble. She defends the treedome well, so she wins. Now SpongeBob goes to the Kelp Forest to rescue Patrick. He succeeds! SpongeBob, Patrick, and Sandy free Bikini Bottom, so Plankton switches to Plan B, destroy all of Bikini Bottom! So SpongeBob fights him in the sky, and he wins! Mr. Krabs catches Plankton trying to steal the formula after he crashes in front of The Krusty Krab. Everything is now back to normal, because Patrick ate up all the gum.