The Little Mermaid Ⅳ: Under the Sea Below
Film information


Disney (non-Pixar)


American English

Preceded by

The Little Mermaid III: Ariel's Beginning

Followed by

The Little Mermaid V: King Triton and the Mystical Trident

The Little Mermaid Ⅳ: Under the Sea Below is the sequel to The Little Mermaid: Ariel's Beginning; as the film takes place years after the events of The Little Mermaid II: Return to the Sea.


Neptune visits Atlantis. He mentions whether they've found his son Poseidon yet. Also, he doesn't like Eric, and says to Ariel, "Not a good choice, my dear. Rubbish, he is. Bothero!".

In the end, he becomes angry at his grandson, and says; "I'm going to take back the sea from you, grandson! You're too irresponsible!".

Triton and Neptune have a big fight, and Hades, an old god with white fiery hair and a cane and glasses appears. He tries to keep the war going on, so more people die, but Ariel stands up to Neptune and Hades, and Eric does, too.

They agree to stop fighting, and Hades goes off to sulk. Neptune grudgingly admits to Ariel about Eric, "Not such a bad chap after all".