"Plankton: The Movie" follows the "SpongeBob SquarePants" character as his computer wife Karen tries to take over the world. It's pretty terrible.

dim-witted sponge who “lives in a pineapple under the sea,” as the song goes. He’s a fry cook at the Krusty Krab, owned by the money-grubbing Mr. Krabs (Clancy Brown). SpongeBob’s ...