Four more episodes of the animated children's series based on the Marvel comic characters. In 'Remnants (Taboo)', strange remnants of Ultron's previous experiments create terror on an island where France's main nuclear testing facility exists. The Avengers race to control or destroy these machines before they start a nuclear war. In 'Command Decision', the Avengers are assigned to guard a shipment of highly dangerous government weapons when Baron Zemo and his masters of evil try to steal the cargo. When an artificially induced earthquake rocks the north Atlantic in 'To Rule Atlantis', the Avengers must deal with Namor, the ruler of Atlantis, and ultimately face the Barbarian Attuma. Finally, when satellites are blasted out of their orbits in 'Shooting Stars', the whole world is threatened with destruction.