The spring bloom has begun, and populations of these tiny plankton are growing explosively beneath the surface. From a boat out on the fjord, Tore Mo-Bjørkelund launches a robot into the sea.

Plankton, the owner of the Chum Bucket, has been a staple of SpongeBob SquarePants since the first season. His nefarious schemes are always foiled in one way or another, and his life's goal to steal ...

But this entire movie hinges on the friction between Plankton and his robot wife Karen, which is just as ridiculous as it sounds. In other words, it’s no surprise that this is a bunch of ...

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.