The BEST episodes of Defenders of the Earth season 1

Every episode of Defenders of the Earth season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Defenders of the Earth season 1!

Defenders of the Earth is an animated television series of the 1980s featuring three characters from comic strips distributed by King Features Syndicate - Flash Gordon, The Phantom, and Mandrake the Magician - battling the Flash Gordon villain Ming the Merciless in the year 2015. Supporting characters include their children Rick Gordon, Jedda Walker (daughter of The Phantom), Kshin (adopted son of Mandrake), Mandrake's assistant Lothar, and Lothar's son L.J. The show lasted for 65 episodes; there was also a short-lived comic book series published by Star Comics (an imprint of Marvel Comics).

Last Updated: 12/12/2024Network: Status: Ended
Escape from Mongo
star
7.07
69 votes

#1 - Escape from Mongo

Season 1 - Episode 1 - Aired 9/8/1986

When Ming the Merciless leaves Mongo to invade Earth, his old enemy Flash Gordon and the latter's son, Rick, join forces with six others - the youngest a pre-teenaged boy named Kshin - to form the Defenders of the Earth.

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The Prince Dethroned (5)
star
7.00
32 votes

#2 - The Prince Dethroned (5)

Season 1 - Episode 50 - Aired 11/14/1986

The witch who's aided Kro-Tan from the start manages to revive the original King of Mongo, and is revealed to be his Queen while having her youth restored. They lock Kro-Tan away and later do the same with the Defenders via a magical transportation. The King then disposes of his Queen. In the cell, Kro-Tan reveals that the King has returned, and the Phantom, after enhancing his strength, frees the Defenders. The showdown with the King is interrupted by the arrival of the creatures Kshin discovered earlier, whose singing brings about his downfall once again. Ming is restored, and angrily takes his son off for punishment.

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The Sleeper Awakes
star
6.97
36 votes

#3 - The Sleeper Awakes

Season 1 - Episode 8 - Aired 9/17/1986

Eons ago, a giant robot crash landed on Earth. Ming learns of The Annihilator, which now sleeps beneath Central City, and distracts all but one of The Defenders long enough to activate the robot.

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The Ghost Walks Again
star
6.97
33 votes

#4 - The Ghost Walks Again

Season 1 - Episode 30 - Aired 10/21/1986

When industrial tycoon Kent Madden's plan to buy a magic health elixir from Partha, son of Chief Ajuna of the African Fallu tribe, goes awry, he makes a deal to obtain use of Ming's forces to steal the potion. The Phantom and Jedda learn of the plot and immediately fly to Africa. On the way, the Phantom is shot out of the sky by Madden and is believed killed. The Fallu implore Jedda to take up where her father left off - as Phantom, protector of their tribe - and after some heavy soul searching, she does just that. As Madden and Ming invade in full force, Jedda valiantly leads the Fallu in counter-attack. Unbeknownst to her, the Phantom raises himself from the jungle and must call forth the strength of ten tigers just to muster the power to fly the skullcopter. With the father-daughter team together again, Ming and Madden flee for their lives. The Fallu people are saved, however the sanctity of their location is violated, forcing them to abandon their obscurity and join civilization.

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Terror in Time
star
6.97
32 votes

#5 - Terror in Time

Season 1 - Episode 26 - Aired 10/15/1986

After retrieving a vat of deadly mutant slime from Ming's laboratory, six of the Defenders (LJ and Kshin do not appear in this episode) are chased through a time warp and go back to the days of King Arthur. There, they meet and join forces with Prince Valiant who tells them that his wife, Alita, is being held prisoner by the evil Warlock who has stolen the fabled Eternity Stone. And, to further complicate matters, the mutant slime - which has already infected Mandrake - escaped from the Shuttle when the Defenders crashed into the sea and begins to spread.

Writer: Bill DuBay
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The Necklace of Oros
star
6.97
32 votes

#6 - The Necklace of Oros

Season 1 - Episode 56 - Aired 11/24/1986

As part of Jedda's coming of age, the Phantom takes her to the Skull Cave to choose a gift from among the family treasures. She is drawn to the mysterious Necklace of Oros, but an evil interdimensional being named Graviton needs the Necklace for his own purposes and will stop at nothing to get it.

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The Creation of Monitor
star
6.96
45 votes

#7 - The Creation of Monitor

Season 1 - Episode 2 - Aired 9/9/1986

Aided by Flash's Krell allies, the Defenders begin building their base. But Ming has learned of their existence and resolved to put an end to them.

Writer: Mel Gilden
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Like Father, Like Daughter?
star
6.94
32 votes

#8 - Like Father, Like Daughter?

Season 1 - Episode 22 - Aired 10/9/1986

Ming's estranged daughter, Aura, crash lands her ship on Monitor and informs the Defenders of her father's latest scheme to enslave the population of earth with his Mind Neutralizer. Flash, an old friend of Aura's who once saved her and her husband, Barin, from destruction at the hands of Ming, immediately sets out for Grand Junction with Aura, Rick, Jedda and L.J. Upon arriving they discover that all the city's officials are already under Ming's hypnosis and that Aura's motivation is revenge- pure and simple. As Mandrake, the Phantom and Lothar rush to the rescue, the Defenders escape and convince Aura that she is an unwitting dupe in Ming's evil scheme. Briefly captured but now free, Mandrake and Lothar, with the Phantom set to work on reversing the polarity of Ming's neutralizer before he hypnotizes the entire world, while Flash, Rick, L.J., Jedda and Aura fly to an alien planet to rescue Barin. Seconds before Ming's scheme enslaves the world Dynak X completes the reversal, and all those previously under Ming's spell are once again free-thinkers.

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Cold War
star
6.91
33 votes

#9 - Cold War

Season 1 - Episode 7 - Aired 9/16/1986

Ming needs Rick Gordon's ring to complete a weather control machine, and having caught Flash in a battle, uses him as bait to lure the impulsive Rick to Ice Station Earth. It is up to the remaining defenders to escape the fearsome Mongor, and rescue Rick and Flash.

Directors: John Gibbs, Ray Lee
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The Revenge of Astra
star
6.91
33 votes

#10 - The Revenge of Astra

Season 1 - Episode 9 - Aired 9/18/1986

The vengeful space princess Astra creates an army of clay soldiers. The daughter of Princess Aura, Astra is convinced by Ming that Flash Gordon was behind her mother's death. She uses blue clay from the Bandar village to create her army.

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The Panther Peril
star
6.91
33 votes

#11 - The Panther Peril

Season 1 - Episode 18 - Aired 10/1/1986

When the famous explorer Andrew Huxley encounters the wrath of Ming the Merciless while on expedition in Africa, he immediately calls in the Defenders. Ming kidnaps the Chief of the Bandar tribe after destroying their village, and forces him to lead the way to the hidden Temple of Pantheria. Before the Defenders depart for Africa they confine Kisa in a forcefield- for her own, as well as the other's, safety- leaving the key card with Kshin, under strict orders not to let Kisa out or give the key card to any-one else, especially Jedda. A short time later Kshin, disobeying direct orders, hands over the card to Jedda, who lets Kisa free. Meanwhile Ming reaches the Temple of Pantheria, locates the sacred tooth and with its powers orders Kisa to attack and destroy the Defenders. Kisa obeys, wreaking havoc all over Central City. Rick and Jedda track Kisa down and just as Rick is about to shoot her, the Defenders locate Ming in Africa and, with the help of Mandrake's illusory power, wrest control of the sacred tooth. He reverses Ming's orders just in time to save Kisa and our heroes.

Directors: John Gibbs, Ray Lee
Writer: Paul Davids
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Fury of the Deep
star
6.91
33 votes

#12 - Fury of the Deep

Season 1 - Episode 19 - Aired 10/2/1986

Ming's attack on an oil platform, to capture a main computer containing the earth's entire energy network, is foiled by the Defenders, but all is not lost as he spots oceanographer Maurice Quiston using a brainwave transmission helmet to communicate with sea creatures. Ming convinces him to join forces in battling the ocean-destructive forces of modern society. With Qusiton operating out of Ice Station Earth, all the ocean's inhabitants obey his orders to attack oil tankers, undersea food farms and sewage systems all over the globe. Meanwhile the Phantom, an old friend of Quiston’s, finds the oceanographer's floating sea-platform vacant, while Flash, Lothar, Jedda and Mandrake try to save the food farm from destruction. Quiston discovers that Ming has betrayed him when the Evil One destroys his sea platform. He joins forces with the Phantom to stop the ocean life's attacks and then blows up his brainwave transmission helmet and computer in the control room of Ming's Ice Station Earth.

Writer: David Wise
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The Frozen Heart
star
6.91
32 votes

#13 - The Frozen Heart

Season 1 - Episode 37 - Aired 10/28/1986

Ming's forces kidnap LJ's girlfriend, Kate, turning her into a Frost Person, and have her trick LJ, Rick and Jedda into handing the Defenders' Space Station - now armed with a lethal laser-cannon - over to Ming. When the Swordship is shot down, the adult Defenders initiate the Space Station's self-destruct program but, having survived the crash, they learn that Rick, LJ and Jedda are on the Space Station. There follows a race against time to abort the self-destruct program before it is too late.

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The Thunder Lizards of Ming
star
6.91
32 votes

#14 - The Thunder Lizards of Ming

Season 1 - Episode 65 - Aired 12/5/1986

The Defenders fly to Alaska to inspect a dinosaur alert. While following dinosaur tracks, Rick and L.J. discover that a long-dormant volcano, with an artificial dome placed over it, is mysteriously heating up. The senior Defenders and Jedda spot Ming and Garax, while the Defenders are attacked by two Allosaurus Dinosaurs! After a narrow escape in a mountain cave, the group discovers Ming's evil scheme - he's used an earth drill to thaw out tens of thousands of beasts buried in the frozen tundra, and is sending them out to destroy the cities of the Earth! The young Defenders figure out how to work Ming's drill, and use it to blow up the drilling station. The volcano explodes, ripping off the dome, and the arctic climate returns - obliterating the Valley of the Dinosaurs.

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Flesh and Blood
star
6.91
32 votes

#15 - Flesh and Blood

Season 1 - Episode 61 - Aired 12/1/1986

The Defenders must fight a fanatic cult calling themselves the "League of Flesh and Blood" who are opposed to the existence of robots, believing that they are crippling human independence. Flash develops a romantic bond with the female member of the group, Kala. When a shocking revelation about the League is exposed, Ming the Merciless, hoping to improve his army's robotics, takes advantage of the League's shameful secret and strikes a bargain with them, and it involves kidnapping the young Defenders. Can Flash and the Defenders save them?

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Return of the Skyband
star
6.91
32 votes

#16 - Return of the Skyband

Season 1 - Episode 41 - Aired 11/3/1986

When an ore transport ship in deep space is looted and notes are found announcing the RETURN OF THE SKY BAND, the Phantom is apprehensive. He recounts the story of his grandfather, who defeated an all-women pirate group in the 1930's whose "Sky Band Leader" was accidently killed. The Defenders fly out to rescue a mining ship in an asteroid belt, and the Phantom comes face to face with Kristina, the new leader of the Sky Band and the grandaughter of the woman killed in the 1930's. While the other Defenders engage the band members in combat, the Phantom chases Kristina through the asteroid-ship which is headquarters for the pirates. Unable to defeat the Phantom, Kristina plans to blow up the entire steroid and to kill both the superhero and herself. The Phantom delays the destruction and rescues her- thereby vindicating his grandfather- before turning Kristina over to the authorities.

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Audie and Tweak
star
6.91
32 votes

#17 - Audie and Tweak

Season 1 - Episode 40 - Aired 10/31/1986

Ming's computer, Octon, has created the ultimate trap- Tycos, a machine designed by a machine, completely devoid of human flaws- which the evil leader will use to destroy the Defenders. Meanwhile Kshin tries to make friends with Audie, a boy genius whose only companion is his personally constructed robot, Tweak, made with living matter rather than silicon microchips. The elder Defenders are lured to a mountain bunker in Colorado by Tycos and the Phantom is captured. Tycos then shuts down all computer circuitry in the Western Hemisphere, except for Tweak, who is impervious to Tycos' efforts because of his non-silicon makeup. The young Defenders' plea for Audie's assistance falls on deaf ears; however, the fact that they come to his rescue when he is captured by Ming persuades him to help our heroes. Arriving at the mountain bunker, the youngsters discover that Mandrake and Flash are also Tycos' captives. Tweak enters first, sacrificing himself to dismantle the nerve gas which frees the three heroes and clears the way for the others to join in the effort. Audie creates a makeshift lighter to ignite Tycos' power supply and deactivate the evil computer, while the rest of the Defenders escape and prepare to blow the bunker to smithereens. Back at Monitor Audie is made an honorary Defender.

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The Future Comes But Once
star
6.91
32 votes

#18 - The Future Comes But Once

Season 1 - Episode 32 - Aired 10/21/1986

While engaging Ming's roboships in battle over the North African Desert, Flash discovers the remains of an ancient pyramid, where he finds an obelisk that produces visions when touched. The other Defenders arrive on the scene and Mandrake informs Flash that the sacred obelisk was believed to foretell the future. Unbeknownst to our heroes, Ming is in the area- in search of the very same obelisk, which he needs to tell the future so that he may propel his time drive device four-times the speed of light. When Rick and L.J. touch the obelisk they see themselves defeat Octon, giving them the confidence to set out for Ice Station Earth. They get as far as Ming's desert hideout, where they are taken prisoner. Mandrake informs our heroes that the obelisk cannot foretell the future, but rather what a person fears or desires for the future. Scavenger, the desert Arab whose home Ming commandeered as a base for his search, breaks free and sends for the Defenders, who raid Ming's headquarters. Mandrake destroys the evil emperor's time drive device, sending the obelisk beyond the reach of mortal men and Ming fleeing for the coolness of Ice Station Earth.

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The Starboy
star
6.91
32 votes

#19 - The Starboy

Season 1 - Episode 28 - Aired 10/17/1986

While transporting Starchild, a child-like alien who has landed on earth, through the woods around Monitor, the young Defenders encounter two alien scouts who attempt to destroy their new acquaintance. With the help of the elder Defenders the scouts are run from the planet, but not before identifying the alien as an evil monster and promising to return. Back at Monitor, Dynak X informs our heroes that an armada of 200 alien ships are on their way to Earth, prompting Flash, Mandrake, Lothar and the Phantom to fly into space to investigate. Meanwhile, Starchild blasts his way out of Monitor and rampages through Central City, with the young heroes on his trail. Amongst the stars, the senior Defenders talk to Roarke, a reptile-like alien, who tells them that Starchild is a genetically engineered being created by the great scientist Shoar Koron, and he has limitless powers- which he has previously used to wipe out entire civilizations. The aliens intend to destroy Earth, thereby ridding the galaxy of the child. The young Defenders learn that Starchild is not really evil, but like any child he requires love and attention. Mandrake impersonates Koron to explain to Starchild that he must use his powers for good, not bad, and the little alien makes peace with all the space ships, before streaking away into the star system.

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Ming's Household Helpers
star
6.91
32 votes

#20 - Ming's Household Helpers

Season 1 - Episode 27 - Aired 10/16/1986

The household helper robot, designed by Ming the Merciless in another of his evil schemes, is the hottest selling item on the market, deployed in over one million homes worldwide - including Monitor. Ming plans to use the robots to hypnotize their owners and make them his slaves. At the behest of Jedda, Rick examines his robot and discovers the plot, alerting the Defenders. When Flash flies out to space to destroy the satellite, a tractor beam renders his ship powerless and drags him towards Ice Station Earth! Splitting up, Lothar, Mandrake and the Phantom penetrate Ming's fortress to save Flash. While Ming captures the Jamaican and the Magician, the Phantom wreaks havoc on the robot production lab. Rick mobilizes his frequency inhibitor, overloading the household helper robots and rendering them useless. Back at Ming's fortress, Mandrake uses telekinesis to overload the main generator, enabling the Defenders to escape.

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The Deadliest Battle
star
6.90
31 votes

#21 - The Deadliest Battle

Season 1 - Episode 55 - Aired 11/21/1986

Rick feels the pressure that results from his efforts to live up to Flash's reputation, and all aspects of Rick's life are suffering- school, personal and Defender work. A "friend" gives him a vial of drugs which Kshin sees Rick take in an effort to better perform when Ming, supercharged by an electrode machine, invades Monitor. Because Rick forgot to activate the defense system, Flash must lead Ming away from Monitor. Flash, along with the other senior Defenders, is trapped under a subway tunnel which Ming collapses on top of them. Back at Monitor Rick, under the influence of drugs and frustrated at his inability to perform, throws a temper tantrum. Ming again attacks Monitor and injures Kshin, forcing Rick to see the consequences of the drugs he has taken. To vindicate himself, Rick leads Ming through a Defender battle training exercise, driving the evil emperor mad with simulated attacks. As his "supercharging" wears off, Ming hallucinates as Rick, Jedda and L.J. drive him away from Monitor, sending him fleeing back to Ice Station Earth. Kshin calls Rick a hero, but Rick disagrees. Kshin is the hero for saying "NO" to drugs.

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Torn Space
star
6.90
31 votes

#22 - Torn Space

Season 1 - Episode 57 - Aired 11/25/1986

The fabric of the universe is weak and stretching under the stress of Graviton's bridge, and the evil alien must have the Necklace of Oros if he is to survive. When the reptile/humanoid corners Jedda in Monitor, demanding the powerful necklace, Ming uses the opportunity to invade the Defenders' headquarters. An inter-dimensional rift materializes above Monitor, threatening to destroy the world. Ming stops his attack and makes a temporary peace agreement with the Defenders, so they may join together and defeat Graviton. With Dynak X hooked up to Octon, Rick reverses the polarity of Monitor's energy generator, creating an energy flow which sends Graviton back to his dimension, however he takes Jedda with him!!! Monitor's generator is depleted of its power, leaving our heroes defenseless against Ming --his plan all along! As Flash fights the invading robo-ships in the sky, Rick finally repairs the generator, which powers the defense lasers and defeats the attackers. Jedda is caught between two dimensions and Rick and L.J. work together to reach into the rift and pull her to safety.

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The Would-Be Defender
star
6.90
31 votes

#23 - The Would-Be Defender

Season 1 - Episode 23 - Aired 10/10/1986

At the dedication ceremony for a new courthouse built in honor of our heroes, 13 year-old Earl Sump, bespectacled and dressed in a homemade superhero suit, captures two pick-pockets in the crowd. His reward- a day spent at Monitor with his idols, the Defenders of the Earth. Immediately Earl's overzealous nature endangers our heroes --he almost causes the Defender ship to crash, and when the Defenders fly out to a distant planet to investigate some strange behavior, Earl stows away, his antics on board causing Flash's ship to run aground and nearly be destroyed. Back on Monitor Earl locks Jedda in a storage compartment and hijacks a ship which he pilots to Ice Station Earth. Unintentionally he rewires Octon, turning the evil computer into his amicable sidekick, and brings him back to Monitor. Earl then plans a day of celebration in his honor, inviting all of Central City to take part. This all invokes the wrath of Ming, who invades the party. Earl unintentionally turns Octon back into his old self, and it looks as if Ming will destroy the residents of Central City, however the Defenders arrive in the nick of time to drive Ming away and save the populace.

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Street Smarts
star
6.90
31 votes

#24 - Street Smarts

Season 1 - Episode 64 - Aired 12/4/1986

In battle simulation with Jedda, L.J. refuses to take part- he thinks it is only "kid stuff". Flash transports Morlag, a lizard-like leader of the rebellion on Mongo to Monitor, where Rick and the Phantom will deliver from Peru the Sun Medallions necessary for his people's fight to continue. Ming attacks the medallion base in Peru, destroying all the precious Firestones which focus their energy, then uses Octon to plant a virus program inside Dynak X so he can invade Monitor and capture Morlag. Meanwhile Flash and Kshin fly to an underwater volcano off the coast of Peru- the only other place to mine Firestones. When Ming attacks Monitor, L.J. thinks it is only another battle simulation, so he doesn't help when Jedda and Morlag are captured and taken away by Ming's forces. When he discovers the truth, L.J. feels horrible- prompting him to invade Ice Station Earth and conduct his own rescue. Flash and Kshin return with the Firestones, and L.J. learns a valuable lesson about adulthood.

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The Adoption of Kshin
star
6.90
31 votes

#25 - The Adoption of Kshin

Season 1 - Episode 63 - Aired 12/3/1986

During the court proceedings of Mandrake's adoption of Kshin, Hai, an old Asian man, enters with proof that he Is the boy's grandfather. Hai's return sparks Kshin's memory- he was three years old and with his parents on the search for the Lost City of Dreams when the Dragon Queen attacked and his parents were killed. Mandrake re-counts his introduction to Kshin in the streets of Singapore, and the discovery of one half of a mysterious map on the boy. Hai pulls out the other half, displaying the full directions to the Lost City of Dreams. Kshin, Hai, Mandrake and Lothar decide to set out on an expedition to locate the city. In Shanghai, the Dragon Queen gets wind of the expedition and follows our group on its quest- through jungles, dangers and traps- into the Lost City. Once inside, the evil Queen captures our group and throws them into a well. They escape and are aided by the rest of the Defenders in defeating the Dragon Queen. However, in the process old Hai is killed. His dying wish is fulfilled when Mandrake completes his adoption of Kshin.

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