After killing two creatures with a treasure chest, pirates bury it on Amzot when the Herculoids approach; Dorno is captured and held hostage. Sarko the Arkman comes to Quasar to capture specimens and grabs Igoo. The others come running and Sarko gasses Zandor then captures Dorno and Tundro but Gleep escapes to warn the remainder. Tara wakes up Zandor and Zok, Gleep, and Zok head off into space to track down Sarko. Zok frees the captives while Zandor draws Sarko's fire. They beat up Sarko and keep him from dropping Dorno to his death.
An alien spacecraft hovers over Amzot, dropping mechanical pods onto the planet. Meanwhile, Dorno, Igoo and Gleep, on a mission to get firewood, see the robotic pod creatures as the pods open up and start attacking the trio. Mekkor and his army of robot invaders lands on Amzot - Mekkor buries himself underground, leaving his antenna above ground to direct his hordes of robot warriors. The robots keep overpowering the Herculoids until Zandor cuts off Mekkor's antenna with his shield - without his control, the robots fall, and break into pieces. Mekkor himself pops back up and Zok blasts him, saving the day.
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.
A group of spider-like creatures kidnap Dorno, then try doing the same with Tara. Gloop saves her while Gleep blows a horn beckoning the Herculoids to action. Zandor briefly frees Dorno with his shield but is soon captured with Dorno. After a stalemate, Zandor calls the Herculoids to action for one concentrated attack. Zandor was captured by Gorvac, leader of the Android People, and created a giant evil clone of Zandor with plans to create an army of Zandor clones. *NOTE: this was the first time that the Herculoids were referred to by name within the episode.
Andropon and his robots invade Amzot, where the Herculoids easily defeat them. After Andropon continuously threatens to build replacement robot armies (and Zandor continuously vows to defeat said armies), Andropon pits his top warrior Ogron against Zandor and Zok. Brotak and his Bubblemen kidnap Zandor and Tara for the purpose of using them in scientific experiments.
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.
A lightning storm causes a nest of giant ant eggs to hatch. The giant ants cause havoc and destruction and Zandor and the Herculoids must put an end to them. A hideous monster emerges from a swamp and goes on a rampage, destroying anything it comes in contact with by its radioactive touch. It eventually traps Dorno and Gleep in a cave, and it is up to Zandor and the rest of the Herculoids to rescue them and defeat the creature.
Amak and the Amatons come to the planet and place control collars on some animals. When their efforts to enslave the Herculoids fail, Amak tries to kill them. Gloop and Gleep save the day by turning Amak's stun turret on him, causing his ship to crash. Queen Skorra unleashes a mud/lava creature which they eventually defeat, but Skorra plans to force them into exile by sending her drones to capture Gleep, Gloop, Tara, and Dorno. They defend themselves long enough for Zandor and the others to return and drive off the drones. Skorra launches a mega-shield missile and closes the mega-circle to destroy everyone, but Tundro creates a smokescreen while the others make a tunnel to escape and then send Skorra running.
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 ship crash-lands on Amzot with a sole occupant on board. Zandor offers assistance and the passenger turns out to be a Mutoid, a race who can change their appearance to anything. The Mutoids plan to use Amzot as a launching site for their missiles to fool their enemies. Can Zandor and the Herculoids stop them in time? A meteor crash-lands on Azmot and transforms into a giant crystalline object. Zandor investigates and is attacked by the Crystallites, while Tara and Dorno are captured in crystal cells. Zandor, Gloop, and Gleep steal uniforms sneak into the fortress and free Dorno and Tara. Gloop and Zok destroy Kryton's ship and he is defeated.
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.
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.
Dorno is feeling depressed when Zandor treats him like a child because of his size and age. Cue an ancient robot monster emerging from an iceblock that is indestructible. Gleep and Dorno sneak into the robot and manage to take control of it and direct it to walk off a cliff, escaping in the nick of time.
A monstrous purple plant sends forth its tentacles to attack, interrupting a game of hide-and-seek. The Herculoids drive off the branches and destroy the core. Dorno doesn't think the meance is over and he and Gleep go looking for another plant, getting into trouble. Dorno leads them to a crater with an energy rock that is mutating the plantlife. Combining their powers they seal the fissure containing the rock, ending the menace once and for all.
tara is kipnapped
An energy creature lands on Quasar via a meteorite. The creatuer can take on the form and properties of any creature it duplicates while imprisoning them in energy coils. It takes on the form of Igoo and proves difficult to defeat. Igoo manages to break free through sheer determination and Zandor defeats the creature by tricking it into taking on the form of a Millennium Plant which will be in suspended animation for the next few centuries.
Dorno and Gleep spot the Snake Riders, who plan an attack from halfway across the planet, across the Boiling Sea. They warn the others and the Herculoids drive them back to their caverns, but Zara gets captured. Zok disguises himself as one of the Riders' giant snakes and Dorno disguises himself as a Snake Rider and they sneak in, free Zara, and seal off the passageway leading back to the Snake Riders' home.
The Buccaneer and his pirates arrive on Quasar searching for a buried treasure. They meet the Herculoids and tell them of their plans, then use their hovercraft to search for the treasure. They begin drilling near a fault line that is close to the Sand People's home. The Buccaneer kidnaps Dorno and then Zandor when he attempts a rescue. Tara and Zok rescue Zandor and Dorno and Zok captures the Buccaneer and his pirates - Zandor commands they leave Quasar never to return.
A friendly dinosaur-like creature, Surla, accidentally eats some radioactive rocks and becomes electrified. Going on a rampage he attacks the Herculoids, taking down Igoo and Tundro with ease. The Herculoids revive and manage to trick him into draining off his energies and reverting to his friendly self.
The descendents/survivors of a highly-developed race that was wiped out on Quasar return to the planet after a 1,000-year mission, and they're not happy to find out their civilization is gone. They attack and capture Dorno, and Gleep and Gloop bring the others. When Zandor confronts them they capture him and put him into a battle with energy whips against their leader. Tara and the Herculoids find proof of how the aliens' civilization was wiped out by trumpeter plants while Zandor plays for time. Tara gets the flower to Zandor which he uses to drive the aliens off.
A Space Trapper comes to the planet to capture animals. He captures Zandor and his family and then uses a mind-control device to take control of Igoo, Tundro, and Zok. Gloop and Gleep free Zandor and the others and Zandor distracts the trapper by giving up on the captives and acting as a guide. Tara tries to free the others by destroying the mind-control device. The trapper gets wise and controls Gloop and Gleep but Zandor destroys the mind control device and drive the Trapper off.
Zandor and the Herculoids are plagued by a strange series of invisible incidents as they are entangled and then they start disappearing. Zandor suspects the Flying People and the king says that his son is behind the incident but doesn't know where the invisibility powers come from. Guest-star Space Ghost arrives to reveal that a Magnetite meteor came out of a black hole: its radiation causes invisibility and the king's son got hold of it. Space Ghost takes the meteor away and Zandor drives off the rebellious son.
Dorn, Gloop, and Gleep are playing and discovered an unearthed metal cylinder which contains an alien big-brained alien. When they release him he reveals himself to be a member of race that ruled Quasar thousands of years ago. The Herculoids seem powerless against his powers of telekinesis. Finally Zandor manages to defeat the alien by grabbing his amulet. When the Mindbender threatens to destroy him, Zandor tossed it back into the cylinder. It's a fake and when the alien is in the cylinder they seal it and put him back into stasis.
