Animation

After a short introduction, one of Neptune's mermaids is captured by a pirate ship, and their anchor chain entangles King Neptune; 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.

Credits

Marcellite GarnerMermaids (voice) (uncredited)

Allan WatsonKing Neptune (voice) (uncredited)