Once again Sebastian gets kidnapped, but this time a mad scientist kidnaps Sebastian for his crab experiments.

King Triton, and the other residents from Atlantica are very happy to know that their hero Apollo is returning to Atlantica. Ariel and Flounder ask Triton who he is, and Triton explains. 20 years ago Atlantica was in a battle between the Octipins who contained a triton that was more magically than King Triton's triton. Apollo, in the vines snuck up on them and broke it. After the story Apollo appears. He and Ariel go on an adventure, but Ariel and Flounder soon find out that his victory over the Atlanticans was an accident. Ursula revives the Octipins and gives them 8 magic tritons, and now Apollo becomes a hero for real.

On one of Ariel's adventures makes Flounder turn into a howling hairfish. They go to a magical fish and she tells them that the cure its to be srowded in silver. There's no such thing as silver under the sea, so Ariel uses silverfish instead.

Ariel treasures her items from the humans of above. She shows her items to Gabriella and she loves them too, but someone else saw Ariel's treasures to. Ursula, and now she's using her evil spells to take control over Ariel's treasure's so they can destroy Atlantica.

The Evil Manta has an evil son who wants to follow in his father's evil footsteps, but he shows signs of good. Ariel finds him, and tries to bring that good out of him.