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.
Marcellite Garner
Mermaids (voice) (uncredited)
Allan Watson
King Neptune (voice) (uncredited)
Jack Bergman
Effeminate Pirate (uncredited)
Dorothy Compton
Mermaids (uncredited)
Beatrice Hagen
Mermaids (uncredited)
Delos Jewkes
Deep Basso (uncredited)
Mary Moder
Mermaids (uncredited)
