Koji Kaboto tries his OVT that he made with pieces of mecano. When flying, he is attacked by the UFOs of Vega. Fortun...

Koji discovers the identity of the Duke Fleed, but has no time to ask questions because Vega attacks. Duke Fleed and ...

Dampee Makeeba organizes a party at the ranch and invites Koji and Duke Fleed. The latter has no time to eat anything...

Gandal wants to discover the hiding place of Grendizer. So he launches a massive attack. Koji tries to confront the e...

Koji, Hikaro, Goro and Bunta are taken in hostage. Actarus interrupts his siesta to free them.

Hikaro leaves for Perlepolis with Bunta. Their bus is attacked by a monster of Vega. Koji distracts the monster the t...

Janus, from the fearsome Ruins' Division, attacks Grendizer that is powerless in front of the brutality and the agili...

Blaki sets a trap to Grendizer by hiding mines in a cloud of spatial dust. Koji falls in the trap. Fortunately Duke F...

Koji is captured with his UFO by the Vegans. Grendizer attacks the camp of the black Moon to save him.

An inhabitant of the planet Rubi is contacted by Vega to explode the UFO carrier of Grendizer. The mission fails beca...

The Vegans plan is to bring Grendizer to the shadow of the moon during the eclipse because Grendizer's systems will s...

Daisuke and Kogi are sent to investigate an avalanche and to find survivors. They find a girl named Mirana who lost h...

A new Vegan mecha comes to destroy Earth. It sucks power from the sun and burns everything in its path. Grendizer is ...

Boss, Nuké, and Mocha are in this episode. They are visiting their old friend Koji Kabuto. The Vegans keep their eye ...

Commander Yara is forced to create a mecha that creates earthquakes and use it on the city Kanto.

A Vegan pilot lands near the Space Science Centre and makes Mr. Hayashi's fiancé, Kaori, a spy for him. She takes Dr....

The Vegans begin building a base for their operations on Earth. The saucer "Giba Giba" begins to attack but Grendizer...

Dr. Umon made a project so that Grendizer is able to launch without revealing his whereabouts to the enemy. Kabuto is...

A huge meteor is headed straight gives order to fire on the meteor and change its course to head for the planet Earth...

Daisuke gets the suspicion that the Vegans may be planning to pull the moon down to Earth. Duke Freed launches Grendi...

The Vegans plan to melt ice in the North Pole. This will cause the sea level to rise with catastrophic results to the...

The Vegans are planning to steal Dr. Chibana's new device so that they can use it to silence Duke Freed and his Grend...

The Vegans continue their attempts to discover Grendizer's secret hideout as they are sure that the Space Science Cen...

Commander Witer successfully sneaks into Earth as Dr. Space who is a well-known acquaintance of Dr. Umon and a reliab...

uke Freed's childhood friends Nayda, brainwashed by the Vegans, attempts to put a bomb on Grendizer but Duke stops he...

Dr. Umon sends Koji and Hayashi on a mission in outer space to build a satellite station. At the same time, the Space...

Grendizer's delicate weapon systems malfunction and he finds himself struggling against the enemy. The Vegans arrive ...

General Zuril is a brilliant scientist who will try to find different ways of taking down Grendizer. Daisuke, Hikaru,...

Vegans shrink the cells of the living body to make Harook become a young boy for a time so he can spy Space Science C...

A strange rock full of radiation energy lands on Earth and Dr. Umon can't make much of this new phenomenon. At the sa...

The Boss, Koji, and Bunta go to the Boss Borot to begin their counterattack of the Vegan attack on them but will face...

The Vegans send a woman by the name of Marian who looks identical to Duke Freed's mother who passed away on planet Fr...

The Vegans send a bird named "Zari Zari" to distroy Grendizer, but Duke remember a similar bird from his home planet ...

Vega promised Commander Gos that if he kills Duke Freed then Vega would spare the Wolf Planet from Vegan brutality.

General Gandal assigns Commander Beetle with his saucer beast to attack the Space Science Centre from underground. Me...

Dr. Umon calls Daisuke and Koji to show them the way that Grendizer and Double Spazer can unite together and fly. The...

The Vegan plan is to steal a huge capsule full of Super Uranium from Earth. Vegan forces are dispatched immediately t...

Hikaru becomes a pilot. Duke Freed faces another Vegan saucer beast loaded with Vegatron rays, and Koji nearly gets c...

Danbi tells Daisuke that his daughter is outstanding and capable of helping him and Koji. Daisuke disagrees insisting...

A series of explosions start to occur under the sea and General Zuril wastes no time in discovering that this is raw ...

Hikaru loses her consciousness during training and Duke Freed gets injured and his old wound gets worse. The Vegans b...

Dr. Umon's Space Science Centre is undergoing some major changes to keep up with Vega's attacks. A super computer is ...

A strange meteor heads slowly towards Earth and Koji will go unilaterally and see what it's all about. After nearly g...

A young man by the name of Hiyoshi is very interested in searching for ancient evidence to prove that spacemen came t...

With his telescope, Goro spots a meteor that splits in two with each piece landing in a different mountain. These act...

Vegan robot sharks land one night and are hidden in a public pool for their next plan. Koji finds himself a hostage o...

Danbi induces a race between Daisuke and Koji. Koji takes it to seriously. The group goes camping near a lake. Vegans...

Duke Freed unites with Koji and the Drill Spazer to chase a Vegan saucer beast. The Vegans make an acid swamp to sink...

Maria tries to kill Duke, thinking the person who pilots Grendizer is evil but during the fight Duke necklace falls a...

Maria the new member on the team, is able to control Grendizer and Marine Spazer. She also has the ability to foresee...

The Vegan plan is to make this moon enter the Earth's atmosphere and cause a catastrophe. The battle between Vegans a...

General Zuril orders a powerful attack with his latest saucer beast "Domo Domo" to defeat Grendizer before General Da...

Duke Freed will go after Hikaru who is hostige on foot not using Grendizer and help her escape from the giant beast w...

The Vegan built a base underwater knowing that Grendizer cannot withstand depths great than 400 meters.

Vegans gather some fuel from an industrial island. General Zuril instructs General Gandal on what to do but he doesn'...

Dr. Umon launches a satellite into space to track Vegan movements on Earth.

Koji and Maria are on their vacation in Tokyo, they get into a fight as usual and split up.

The Vegans make a false Grendizer that attacked Earth people so the real Grendizer will be hated.

A group of Vegan kids come to Earth and hold hostages the people inside the observatory.

The Vegans attract a huge number of rats to use for their next mission. These rats are implanted with Vegatron bombs ...

Toko 1, Toko 2, Toko 3, and Toko 4 are Vegan agents taking appearances of other people trying to distroy Space Scienc...

Swans are implanted with Vegatron missiles for the next Vegan plan. Duke Freed is forced to kill the swans and must h...

Kirika, a Vegan scientist, is sent to freeze with her new weapon Duke Fleed.

The Vegans invent a bomb and General Gandal threatens to blow up Tokyo is Grendizer does not surrender.

The Vegans fire a big group of missiles towards Tokyo. The Grendizer Team launches to destroy the missiles before the...

Maria in the Marine Spazer gets stuck in a giant seaweed trap and Koji swims to the bottom of the sea to help her.

General Zuril launches an attack on the Space Science Centre with air balloon bombs. Koji gets caught by the Vegans a...

A young man from Freed named Kane is a loyal soldier of the Vegans. He comes to Earth to fight. Maria tries to face h...

The son of Zouril,Zuril Jr. wants to fight Grendizer but Zouril doesn't want him to. Zuril Jr. sacrifice himself for ...

Maria has a nightmare about her father being hostage. She goes to the cave where she saw her father in her dream alon...

Moros, Duke's best friend from Freed was made to believe that Duke Freed destroyed Freed by Vega and now comes to Ear...

Princess Rubina, Duke Fleed's fiancé comes to Earth to tell Duke that his planet is no longer polluted but dies after...

King Vega prepares to attack Earth but Duke and company are ready to stop him with the help of Grendizer and Spazers.

Duke finally destroys King Vega but he and Maria must return to planet Fleed.