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. Air Date : 27th-Feb-1979  Read More

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 Air Date : 6th-Mar-1979  Read More

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. Air Date : 13th-Mar-1979  Read More

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. Air Date : 20th-Mar-1979  Read More

Koji, Hikaro, Goro and Bunta are taken in hostage. Actarus interrupts his siesta to free them. Air Date : 27th-Mar-1979  Read More

While on a trip to downtown, Hikaro and the others are taken hostages by the Vgean monster. Air Date : 3rd-Apr-1979  Read More

King Vega sends one of his commanders to join in earth's invasion Air Date : 10th-Apr-1979  Read More

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. Air Date : 17th-Apr-1979  Read More

King Vega again sends one of his commanders, this time a female, to join in Earth's invasion. Air Date : 24th-Apr-1979  Read More

A young boy makes contact with the Vegans and agrees to run errands in exchange for a trip to outer space. Air Date : 1st-May-1979  Read More

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. Air Date : 8th-May-1979  Read More

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. Air Date : 15th-May-1979  Read More

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. Air Date : 22nd-May-1979  Read More

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. Air Date : 29th-May-1979  Read More

Commander Yara is forced to create a machine that creates earthquakes and use it on the city Kanto. Air Date : 5th-Jun-1979  Read More

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. Air Date : 12th-Jun-1979  Read More

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. Air Date : 19th-Jun-1979  Read More

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. Air Date : 26th-Jun-1979  Read More

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. Air Date : 3rd-Jul-1979  Read More

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. Air Date : 10th-Jul-1979  Read More

Daisuke has to save one of the horses in the ranch from sickness while finding time to fight evil Vegan army. Air Date : 17th-Jul-1979  Read More

The Vegans get wind of a device and plan to steal it Air Date : 24th-Jul-1979  Read More

The most prized horse in the ranch escapes and the search ensues. Meanwhile the Vegans are again searching for Grendizer's hideout. Air Date : 31st-Jul-1979  Read More

Another Vegan commander is sent on an earthbound mission. Air Date : 7th-Aug-1979  Read More

A vehicle crash-lands in a forest near the ranch, piloted by a beautiful lady. Air Date : 14th-Aug-1979  Read More

The space science center undertakes a rocket ship and satellite station project orbiting earth. Air Date : 21st-Aug-1979  Read More

Grendizer is in a bind but Daisuke extricates successfully! Air Date : 28th-Aug-1979  Read More

King Vega sends an ally to assist Gandal in invading Earth. Air Date : 4th-Sep-1979  Read More

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. Air Date : 11th-Sep-1979  Read More

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. Air Date : 18th-Sep-1979  Read More

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. Air Date : 25th-Sep-1979  Read More