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. It’s only OK, and ...

Though it might be hard to imagine, there was once a world where it was impossible to take a swim in Bikini Bottom. Over two decades later, multiple generations have ventured under the waves to visit ...