Seasons & episodes
S1 · E1Brothers of the Universe 1975-10-05 · 26 min
Koji Kaboto tries his OVT that he made with pieces of mecano. When flying, he is attacked by the UFOs of Vega. Fortunately Duke Fleed arrives on time to save the day (but not too quickly nonetheless). Koji does not actually know that Duke Fleed is the prince of Fleed.
S1 · E2Prince of the Other World 1975-10-12 · 26 min
Koji discovers the identity of the Duke Fleed, but has no time to ask questions because Vega attacks. Duke Fleed and Koji unite their power and push back the enemy.
S1 · E3The Tragic Fiesta 1975-10-19 · 26 min
Dampee Makeeba organizes a party at the ranch and invites Koji and Duke Fleed. The latter has no time to eat anything because Vega attacks. Will he have the time to make it to Grendizer before the earth is ravaged? All bets are open...
S1 · E4The Island of Fear 1975-10-26 · 26 min
Gandal wants to discover the hiding place of Grendizer. So he launches a massive attack. Koji tries to confront the enemies alone, but he only succeeds to crush himself on a deserted island. Finally Duke Fleed makes it there and saves the day.
S1 · E5The Pitfall of Death 1975-11-02 · 26 min
Koji, Hikaro, Goro and Bunta are taken in hostage. Actarus interrupts his siesta to free them.
S1 · E6Attack on Perlepolis 1975-11-09 · 26 min
Hikaro leaves for Perlepolis with Bunta. Their bus is attacked by a monster of Vega. Koji distracts the monster the time that Duke Fleed arrives (Grendizer has trouble to start up in winter).
S1 · E7The Feast of the Wolves 1975-11-16 · 26 min
Janus, from the fearsome Ruins' Division, attacks Grendizer that is powerless in front of the brutality and the agility of his enemy.
S1 · E8The Radars are Off 1975-11-23 · 26 min
Blaki sets a trap to Grendizer by hiding mines in a cloud of spatial dust. Koji falls in the trap. Fortunately Duke Fleed helps him and destroys the Golgoth 8.
S1 · E9The Black Moon Camp 1975-11-30 · 26 min
Koji is captured with his UFO by the Vegans. Grendizer attacks the camp of the black Moon to save him.
S1 · E10Vega's Spy 1975-12-07 · 26 min
An inhabitant of the planet Rubi is contacted by Vega to explode the UFO carrier of Grendizer. The mission fails because of Duke Fleed and the Vegans try to kill the Rubinian. But Duke Fleed flies to his help.
S1 · E11The Day when the Sun will Stop 1975-12-14 · 26 min
The Vegans plan is to bring Grendizer to the shadow of the moon during the eclipse because Grendizer's systems will shut down temporarily under it and then destroy it.
S1 · E12Blood on Snow 1975-12-21 · 26 min
Daisuke and Kogi are sent to investigate an avalanche and to find survivors. They find a girl named Mirana who lost her memory. Back at Space Science Centre she begins to remember how a saucer destroyed her home.
S1 · E13By Iron and by Fire 1975-12-28 · 26 min
A new Vegan mecha comes to destroy Earth. It sucks power from the sun and burns everything in its path. Grendizer is damaged by it and has to withdraw. As the mecha attacks again Grendizer has to go to battle weaponless.
S1 · E14The Day of the Rising Sun 1976-01-04 · 26 min
Boss, Nuké, and Mocha are in this episode. They are visiting their old friend Koji Kabuto. The Vegans keep their eye on a mysterious orange robot that is found skiing near-by. Commander Blacki orders the Minifo to follow it and investigate.
S1 · E15Red Akerae 1976-01-11 · 26 min
Commander Yara is forced to create a mecha that creates earthquakes and use it on the city Kanto.
S1 · E16The Fiancé of Death 1976-01-18 · 26 min
A Vegan pilot lands near the Space Science Centre and makes Mr. Hayashi's fiancé, Kaori, a spy for him. She takes Dr. Umon as a hostage.
S1 · E17The Infernal Ride 1976-01-25 · 26 min
The Vegans begin building a base for their operations on Earth. The saucer "Giba Giba" begins to attack but Grendizer comes to save the day by saving a town and a mountain.
S1 · E18The New Time of the Caves 1976-02-01 · 26 min
Dr. Umon made a project so that Grendizer is able to launch without revealing his whereabouts to the enemy. Kabuto is control by the Vegans and fights Duke.
S1 · E19The Crushed Town 1976-02-08 · 26 min
A huge meteor is headed straight gives order to fire on the meteor and change its course to head for the planet Earth. The meteors are detected and Grendizer launches to intercept them before they hit land.
S1 · E20Earth in Danger 1976-02-15 · 26 min
Daisuke gets the suspicion that the Vegans may be planning to pull the moon down to Earth. Duke Freed launches Grendizer and follows Koji who already went to explore the area of Mount Kirofoki.
S1 · E21The Submerged Continents 1976-02-22 · 26 min
The Vegans plan to melt ice in the North Pole. This will cause the sea level to rise with catastrophic results to the shores on Earth.
S1 · E22The Slayers of the Sky 1976-02-23 · 26 min
The Vegans are planning to steal Dr. Chibana's new device so that they can use it to silence Duke Freed and his Grendizer.
S1 · E23The Flood of the New Worlds 1976-03-05 · 26 min
The Vegans continue their attempts to discover Grendizer's secret hideout as they are sure that the Space Science Centre has something to do with it. Hikaru finds out who Daisuke really is.
S1 · E24The Enforcer 1976-03-12 · 26 min
Commander Witer successfully sneaks into Earth as Dr. Space who is a well-known acquaintance of Dr. Umon and a reliable person so he can find Duke Fleed and kill him.