Seasons & episodes
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.
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.