King Neptune - Full Movie Information, Trailer & IMDb Reviews
Watch King Neptune online. Maybe available on Youtube, Netflix, PrimeVideo, Hulu, Disney and other legal streaming platforms.
After a short introduction, one of Neptune's mermaids is captured by a pirate ship, and their anchor chain entangles ; the various sea creatures launch a full-on assault on the pirate ship, and eventually the giant King himself gets free and creates major havoc for the ship.