Plankton: The Movie gives Mr. Lawrence's SpongeBob villain a real chance to shine in a delightful musical romp.

Karen (Jill Talley) has finally had enough of Plankton's (Mr. Lawrence) bad treatment and decides to conquer the world on her ...

I would be thrilled to report that I loved “Plankton: The Movie,” a “SpongeBob SquarePants” spinoff film. I'd love to say that it is the cinematic hit of the spring. Alas, I cannot.