Watch "TranZor Z" on Netflix Japan

To stop Dr. Hell’s quest for world domination, Dr. Kabuto entrusts his grandson Koji with a secret super weapon developed in opposition - Mazinger Z.

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Dr. Hell sends Garada K7 and Doublas M2 to destroy Mazinger Z. Though Koji struggles with the controls, Mazinger Z wields unimaginable power.

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As Koji and Shiro get used to life in Fuji City, Dr. Hell rages in his lair on the island of Bardos. Swearing revenge, he dispatches Gromazen R9.

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Dr. Hell unleashes Gaia Q5, a mechanical beast that uses ultra-magnetic power to immobilize its foes. Mazinger Z’s arms and legs can’t move to attack.

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When a fake Mazinger Z appears at the foot of Mt. Fuji, rumors spread that Koji has sold the robot's secrets. Indignant, he attacks the imposter.

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While Mazinger Z heads out to stop the mechanical beast Zaila’s rampage in town, another beast steals towards the undefended Photon Power Laboratory.

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Ozones B3 destroys the town and vanishes without a fight. Baron Ashura lays blame on the Photon Power Laboratory, inciting a mob to attack Dr. Yumi.

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While the Photon Power Laboratory debates whether to upgrade and strengthen Aphrodite A, a string of mysterious arsons plagues the town.

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With Dr. Yumi away at a conference, Sewashi, Nossori & Mori Mori are left in charge. Dr. Hell hypnotizes them as part of a plot to destroy Mazinger Z.

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Baron Ashura kidnaps Shiro and demands Mazinger Z’s destruction as ransom. Koji spreads a dragnet and manages to locate the Baron's undersea base.

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Baron Ashura recovers secret weapons from the old Japanese army for a new forward operating base. Sensing trouble, Koji heads out to investigate.

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Baron Ashura steals a toy robot made by a friend of Koji and uses a "giant-maker gun" to turn it into a mechanical beast that wreaks destruction.

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Reports come in of a strange object landing on the coast. Aphrodite A sets out to investigate, but loses track of it along the way.

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Dr. Hell is enraged when the powerful Spartan K5 seems to have no will to fight. He wants to destroy it, but Baron Ashura has an idea.

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Baron Ashura creates an artificial tsunami to carry Chigul E7 to shore. As Mazinger Z moves to intercept it, another mechanical beast attacks the lab.

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Baron Ashura dispatches the Iron Masks to assassinate Koji, but Dr. Hell's pride makes him spurn assassination and opt instead for a frontal assault.

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City after city mysteriously collapses. Amid the chaos, Dr. Yumi gets a sinister warning from Dr. Hell.

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Aquatic mechanical beast Glossam X2 sinks ships with giant cutters. Among the stranded are a scientist invited to the Photon Power Lab and his family.

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Forced to admit the threat posed by Mazinger Z's new seagoing capabilities, Dr. Hell gives Baron Ashura a mechanical beast that attacks from the sky.

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When a bullied transfer student accidentally witnesses a test of mechanical beast Stronger T4, Baron Ashura kidnaps him and makes an enticing offer.

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Dr. Hell orders Baron Ashura to occupy a ghost town with Wainder A2. There, Ashura takes kids hostage and demands Mazinger Z’s destruction as ransom.

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Realizing that Mazinger Z has no weapons that will work underwater, Baron Ashura sinks ship after ship to lure Koji into the sea.

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On a geological survey with Damdam L2, Baron Ashura discovers a vein of Japanium. Though driven off by Mazinger Z, this prize is not easily abandoned.

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Flying at Mach 5, the frighteningly powerful Jinrai S1 bombs the city from above. Mazinger Z does all it can to stem the destruction.

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Dr. Hell devises a plan to use the Aeros trio to cause an eruption of Mt. Fuji, but Aeros B3 finds Mazinger Z standing in its way at the summit.

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Koji sets out to stop Dr. Hell's Daima U5, which combines pilot and machine like Mazinger Z. But the fight causes far-reaching collateral damage.

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In Aphrodite A, Sayaka follows the Belgas V5 onto an abandoned island and gets trapped by Dr. Hell, who has plans for the Aphrodite A.

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Dr. Hell creates a robot replica of Dr. Yumi and plans to deceive Koji and Sayaka with it, thereby finally taking Mazinger Z down.

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With the Grengus C3, Dr. Hell finally has a mechanical beast capable of taking Mazinger Z down. He sends it out to attack during a summer festival.

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Baron Ashura sets out to take back the stolen diamond from the Brutus M3. Without both diamonds, the mechanical beast is no match for Mazinger Z.

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Using the survivors of a bus accident, Dr. Hell mans a trio of insect-like mechanical beasts to attack Mazinger Z from the sky.

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When a three-headed mechanical beast attacks a bullet train, Sayaka and Koji head out to stop it, but they might be outmatched by the Gelbros J3.

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After Koji is almost defeated by a flying mechanical beast, Dr. Yumi heads to New York to work on plans to finally give Mazinger Z the ability to fly.

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Plans to add flying capabilities to Mazinger Z proceed as planned, but Dr. Hell sends out a mechanical beast to stop construction.

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As construction of Mazinger Z's wings continues, a hallucination-inducing mechanical beast called Deathma A1 wreaks havoc on Koji and Sayaka.

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Koji laughs it off when Boss and his gang tell him they saw a monster in Lake Yamanaka, but there really might be something deadly in the waters.

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Dr. Smith stops by to check out how the Jet Scrander is working on Mazinger Z -- But Dr. Smith may not be who he seems.

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Dr. Hell sends the mysterious and beautiful mechanical beast known as Minerva X to Japan to destroy Mazinger Z.

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Baron Ashura has failed for the last time. Dr. Hell makes it clear that if Baron Ashura fails him again, he/she will be replaced.

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Count Brocken takes over as Dr. Hell's right hand man. He sends Grader F3 to attack an amusement park to lull out Mazinger Z.

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Surmising that high altitudes are a weakness for the Mazinger Z, Count Brocken sends the Kirma K5 high into the sky and gets Mazinger Z to follow.

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With the deadly dinosaur-like Deltan V8, Count Brocken is confident he can finally put an end to Mazinger Z.

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