Space pirates are burying their treasure on Amzot when Dorno stumble upon them with Igloo and Tundro./Sarko captures Igoo for experimentation. He knocks out Zandor with gas. Then he captures Dorno and Tundro.
In a quest for power, Krokar leads his birdlike Beaked People to attack the flying monkeys. It's a trap to capture Zandor and assume rule of the planet. A space raider planning to loot Amzot kidnaps Tara.
Mole men led by Marcon are invading the surface in their machines./The Herculoids rescue a lost Dargyte child from a vulture. They must return him to his home in the dark side of the planet.
Bubblecrafts rise out of the waters. Bubblemen are directed by Brotak to kidnap Zandor and Tara./Andropon sends his robots to attack the Herculoids only to be defeated. Zandor accepts his challenge as he sends his best warrior Ogron.
Mekkano escapes from prison with his machines and seeks revenge against the Herculoids./Torrak shrinks the Herculoids to microscopic size to be destroyed by his micro-organisms.
Neron captures the Herculoids to fight gladiatorial battles in his arena./The Temple of Trax seems to be abandoned. In reality, the high priest has a plan to kidnap Tara and sacrifice her for the return of Trax after 2000 years.
Oton leads the Time Creatures from the future on a mission to eliminate the Herculoids./The Viking-like Raider Apes led by Gotron raid a village looking for gold. Zandor comes to the rescue.
Konar is siphoning the atmosphere. Zandor follows the wind to find him who brings out the Zorbots./Volton and the Electrode Men fly their spaceship into a volcano where they aim to take over the world.
Dorno is investigating a cosmic fragment when he encounters a monster from the swamp./Lightning releases giant ants from their eggs to cause destruction.
Queen Skorra distracts Zandor with a monster as her robots surround Tara and Dorno in a plan to exile them./Amak and the Amatons try to place control collars on Tundro and Igoo. The Herculoids battle various animals under their control.
The Herculoids rescue an unconscious Zandor under attack by the Laser Lancers. Magoth sends more attackers./The Herculoids rescue princess Serena of the Sun planet. They are pursued by Darkon and the Faceless People.
A giant crystal spaceship lands on Azmot. Zandor goes in to investigate./Zandor offers help to a crashed spaceship. It's the Mutoids who can change their state and intend to secretly launch rockets against their enemies from Amzot.
Sta-Lak returns seeking revenge with robotic versions of Igoo, Zok, and Tundro. He captures Dorno and Tara, and then challenges the Herculoids./The sky pirates have returned seeking revenge with their new image transmitter and immobilizer.
The Reptons have captured Tara and brainwashed her to be their evil queen./Zandor is poisoned by a giant spider bite. Dorno seeks the antidote from the Spider People.
Amzot is bombarded by missiles from planet Luvanuum. The Herculoids travel on a captured ship./A giant fly kidnaps Tara. It's Torrak and he has enlarged his microorganisms.
Zandor and Dorno rescue a man floating down a river. A villain has taken over his home on Gravite Island./Malak drives his new force of Metal Apes against the Sea People. The Herculoids intercept them.
