Seasons & episodes
S1 · E25Fleed's Lovers 1976-03-19 · 26 min
uke Freed's childhood friends Nayda, brainwashed by the Vegans, attempts to put a bomb on Grendizer but Duke stops her. Nayda accuses Duke of being a traitor. Koji attempts to pilot Grendizer but is almost killed.
S1 · E26The Edges of the Abyss 1976-03-26 · 26 min
Dr. Umon sends Koji and Hayashi on a mission in outer space to build a satellite station. At the same time, the Space Science Centre is surrounded by a huge Minifo saucer squadron.
S1 · E27Win or Perish 1976-04-04 · 26 min
Grendizer's delicate weapon systems malfunction and he finds himself struggling against the enemy. The Vegans arrive and descend upon the Center. Hikaru and Daisuke must fix Grendizer and save the Center.
S1 · E28The New Masters of Darkness 1976-04-11 · 26 min
General Zuril is a brilliant scientist who will try to find different ways of taking down Grendizer. Daisuke, Hikaru, and Goro are attacked by Vegans and Danbi puts on his gear and begins fighting them too.
S1 · E29The Fire Bird 1976-04-18 · 26 min
Vegans shrink the cells of the living body to make Harook become a young boy for a time so he can spy Space Science Centre. Harrok and Goro become friends but later the effects of the shrinking begin to wear off so Harook captures Goro.
S1 · E30The Lightning Rock 1976-04-25 · 26 min
A strange rock full of radiation energy lands on Earth and Dr. Umon can't make much of this new phenomenon. At the same time, the Vegans discover this strong source of energy and put it to use in their next saucer beast.
S1 · E31A Dreamer from Outer-Space 1976-05-02 · 26 min
The Boss, Koji, and Bunta go to the Boss Borot to begin their counterattack of the Vegan attack on them but will face some technical difficulties. Grendizer gets into some trouble while trying to help them but the Boss Borot will help Grendizer in the funniest way but will lose his Boss Spazer.
S1 · E32The Ghost Queen 1976-05-09 · 26 min
The Vegans send a woman by the name of Marian who looks identical to Duke Freed's mother who passed away on planet Freed.
S1 · E33The Wings of Death 1976-05-16 · 26 min
The Vegans send a bird named "Zari Zari" to distroy Grendizer, but Duke remember a similar bird from his home planet Fleed and will use this knowledge to go and finish it off.
S1 · E34The Mercenary of Oppression 1976-05-23 · 26 min
Vega promised Commander Gos that if he kills Duke Freed then Vega would spare the Wolf Planet from Vegan brutality.
S1 · E35The First Raid 1976-05-30 · 26 min
General Gandal assigns Commander Beetle with his saucer beast to attack the Space Science Centre from underground. Meanwhile, Koji Kabuto's new Double Spazer ship has just been completed and Koji is ready to be air-born again.
S1 · E36The Invincible Cosmos 1976-06-06 · 26 min
Dr. Umon calls Daisuke and Koji to show them the way that Grendizer and Double Spazer can unite together and fly. The objective of this is to minimize the need for Grendizer to have to lock in and out of Spazer as these are Grendizer's weakest moments and he is helpless in them.
S1 · E37A Star is Dead 1976-06-13 · 26 min
The Vegan plan is to steal a huge capsule full of Super Uranium from Earth. Vegan forces are dispatched immediately to do just that.
S1 · E38Darkness Makers 1976-06-20 · 26 min
Hikaru becomes a pilot. Duke Freed faces another Vegan saucer beast loaded with Vegatron rays, and Koji nearly gets captured by the Minifo after gathering the energy but manages to escape very injured.
S1 · E39The Patrol of Eagles 1976-06-27 · 26 min
Danbi tells Daisuke that his daughter is outstanding and capable of helping him and Koji. Daisuke disagrees insisting that war and sport are two different things. Finally Daisuke will allow Hikaru to be part of the team after her vital help.
S1 · E40The Awakening of Volcanoes 1976-07-04 · 26 min
A series of explosions start to occur under the sea and General Zuril wastes no time in discovering that this is raw Uranium. Saucer beast "Boi Boi" is launched to go and get this energy as this saucer beast naturally collects Uranium. At the same time Dr. Umon is alerted by these explosions which are close to an island with a Uranium capsule.
S1 · E41Baptism of Fire 1976-07-11 · 26 min
Hikaru loses her consciousness during training and Duke Freed gets injured and his old wound gets worse. The Vegans begin their attack and Daisuke goes to the battle even though he is injured.
S1 · E42Peril in Abode 1976-07-18 · 26 min
Dr. Umon's Space Science Centre is undergoing some major changes to keep up with Vega's attacks. A super computer is installed in the base, and turning it on will be the final step. The Vegans plan to get rid of the base and leave Grendizer without a place to hide.
S1 · E43The Victory of Eagles 1976-07-25 · 26 min
A strange meteor heads slowly towards Earth and Koji will go unilaterally and see what it's all about. After nearly getting blinded by a ray that came out of the meteor, Koji's Double Spazer begins to exit the Earth's atmosphere.
S1 · E44When Dogs are Loosened 1976-08-01 · 26 min
A young man by the name of Hiyoshi is very interested in searching for ancient evidence to prove that spacemen came to Earth in the past. He goes to look at walls in a near-by cave for ancient scripts to prove his theory, but the villagers think he is crazy. Hundreds of years ago, the Vegans had sent some of their people to Earth. There still is a metal on the wall that they used for landing, and this metal cannot be detected by the radar.
S1 · E45Ants and Men 1976-08-08 · 26 min
With his telescope, Goro spots a meteor that splits in two with each piece landing in a different mountain. These actually contain eggs of the Vegan ants. When Goro tells everyone about it he is not taken seriously. Soon Grendizer and Drill Spazer will unite to face the new danger.
S1 · E46The Ballet of Sharks 1976-08-15 · 26 min
Vegan robot sharks land one night and are hidden in a public pool for their next plan. Koji finds himself a hostage of the Vegans who tell him about their plans to take all of the people as hostages.
S1 · E47The Ignited Lake 1976-08-22 · 26 min
Danbi induces a race between Daisuke and Koji. Koji takes it to seriously. The group goes camping near a lake. Vegans begin to descent in the lake and then the Space Science Centre suddenly gets attacked by missiles from the near-by lake where the Vegans stay hidden.
S1 · E48World in Fusion 1976-08-29 · 26 min
Duke Freed unites with Koji and the Drill Spazer to chase a Vegan saucer beast. The Vegans make an acid swamp to sink the Space Science Centre.