A pair of wizards are battling over the Helmet of Power; Thundarr and company are caught in the middle of the fight.

A pack of werewolves plan an attack against an evil wizard to attain invincibility for their whole tribe.

An evil witch attacks the Amzons with world domination in mind.

Thundarr comes to the aid of the Mok Chieftain, Oblach, to battle Captain Kordon, Queen of the River Pirates.

An evil wizard and his minions seek a new body for him; they scheme to find ice people and force them to build a new body.

Thundarr, Princess Ariel and Ookla find the Carocs transporting Death Flowers on a train to a evil wizard.

Thundarr, Princess Ariel, and Ookla escort a man who is carrying a magical black pearl that can defend against the two-faced wizard Gemini and his Groundlings (a race of mutated rat people). The man needs the pearl to protect the inhabitants of the village of "Manhat", which is actually the ruins of Manhattan.