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.
| Visual Effects | Joseph D'Igalo | Animation |
| Visual Effects | Johnny Cannon | Animation |
| Visual Effects | Chuck Couch | Animation |
| Visual Effects | Jack King | Animation |
| Visual Effects | Hamilton Luske | Animation |
| Visual Effects | Fred Spencer | Animation |
| Visual Effects | Bill Roberts | Animation |
| Production | Walt Disney | Producer |
| Visual Effects | Hardie Gramatky | Animation |
| Visual Effects | Les Clark | Animation |
| Visual Effects | Frenchy de Trémaudan | Animation |
| Visual Effects | Harry Reeves | Animation |
| Sound | Bert Lewis | Original Music Composer |
| Visual Effects | Ben Sharpsteen | Animation |
| Visual Effects | Charles Byrne | Animation |
| Visual Effects | Charles Hutchinson | Animation |
| Visual Effects | Ed Love | Animation |
| Visual Effects | Paul Fennell | Animation |
| Visual Effects | Norman Ferguson | Animation |
| Visual Effects | Eddie Donnelly | Animation |
| Visual Effects | Dick Williams | Animation |
| Visual Effects | Dick Lundy | Animation |
| Directing | Burt Gillett | Director |
| Visual Effects | David Hand | Animation |
