Stream the full King Neptune movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
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.