Giant Robo

Shipwrecked, Daisaku (Johnny Sokko) and Juro Minami (an agent forUnicorn) drift to an island and are captured by the BF gang. The island is in fact, a base of the B.F. gang. They happen to discover a huge robot while they are running away. Giant Robot is being constructed by Dr. Gartua who is aware of the wicked project to conquer the earth by the B.F. gang. Dr. Gartua explains that Giant Robot works by atomic energy and only obeys the person who gives the original order. When Dr. Gartua tries to destroy the robot, his lab is destroyed. From the ruins Giant Robot stands up. Daisaku speaks to it and it is decided that he is the one who can control it.

Emperor Guillotine, king of BF syndicate, plans to take back Giant Robot and to arrest Daisaku (Johhny Sokko), the only one that can give orders to the robot. He sends a huge magic metal globe called Glober to the earth. Then he orders Spider, head of the BF Japanese branch, to arrest the boy and the robot when they come to destroy it. The globe falls to the top of Mt. Makone and starts to roll down the mountain toward the town. The tank corps of the Defense Force attackit in vain and town people are thrown into confusion. Carrying a small rocket on his back, Daisaku comes flying to the town and calls Giant Robo.

Under Emperor Guillotine's orders, Dr. Over, a leading member of BF Syndicate, comes to the earth with a fossil of a devilish space plant called Satan Rose. He kidnaps Yasui, an old botantist. In the underground laboratory Over tells him to bring the seed of the plant back to life. As Yasui refuses, the doctor performs an operation on his brains. Now as Over's slave, Yasui obeys his orders. The fossil breaks into two and a small black bud starts to grow. Put in a building and destroys it. People are struck with terror and run about helter-skelter.

Emperor Guillotine sends Dr. Over and Ligon, a new weapon in the shape of a pyramid, to the earth. By operating Ligon, Over destroys oil fields in Araia one after another. The price of oil soars in all countries and the world economy is thrown into confusion. Then the doctor tells Hishino, a Japanese oil engineer in the Arabian Desert to help him. Hishino refuses, and he is imprisoned in Ligon together with Arabian members of Unicorn Organization. Suspecting that all the trouble was caused by BF Syndicate, the head of the Japanese Branch of Unicorn Organization sends two members -- Minami and Mitsuko, Hishino's sister -- to Arabia. On the way their plane explodes, but they are rescued by Daisaku (Johnny Sokko) and Giant Robo who have been following the plane.

A strange huge plant which has appeared suddenly in Sagami Lake sucks in all the water including a sailing boat and a man in it. Azuma, head of the Japanese Branch of Unicorn Organization, thinks that it must be Satan Rose, a space plant brought to the earth by Dr. Over. He sends Daisaku (Johnny Sokko) and Minami to the house of Yasui, an old authority on the plant. Meanwhile Over tells Red Cobra, new head of the Japanese Branch of the syndicate, to kill Yasui before he gives information about the plant to Unicorn members.

Dr. Over makes Ligon swallow a train near Lake Biwa to kidnap Suzuki, one of the passengers and head of the Kyoto Branch of Unicorn Organization. In the headquarters of BF Syndicate in the bottom of lake, Suzuki sees Over and Black Dia, new head of the Japanese Branch of the Syndicate. Azuma thinks that Over has killed Suzuki, for he is in charge of the conference of Unicorn leaders of the world which is going to be held in Kyoto. Under Azuma's orders, Daisaku (Johnny Sokko) and Minami go to Kyoto carrying the important papers concerning the conference. Over and Black Dia try to steal the papers, but they fail. Over changes Suzuki into a cyborg by performing an operation on him.

A monster called Dorogon swallows a jet plane of the Commonwealth of Sordia when it is flying and an atomic submarine of Furenkov Republic when it is under the sea. Without knowing the truth, the President of Sordia and the Premier of Furenkov lay the blame on each other. It was Emperor's Guillotine's plot to make the two countries fight and to enlarge it into a world war. The leaders of the Unicorn branches all over the world decide to have a secret conference to make peace between the two countries. Disgusing himself as head of Canada branch, Spider goes to the place of the conference, a villa on an uninhabited island, with his men and a bag containing a time bomb. In the garden of the villa, Daisaku (Johnny Sokko) overhears Spider's men talking and with the help of Giant Robo set out to stop them.

Dr. Tadokora develops QQV, a super-excellent transparent metal. He tests it and QQV endures all the attacks of Giant Robot. BF gang watch the experiments using TV cameras and try to rob the specifications of QQV. BF agents disguise themselves as Unicorn agents and sneak into the lab where the secrets are hidden. They succeed and rob an attache case but are pursued by Juro and Daisaku (JohnnySokko). The BF gang orders Gunger to attack Juro and Daisaku who also mobilize Giant Robot to counter attack.

There is the decoding office of the Japanese Branch of Unicorn Organization in the basement of a lighthouse on the coast of the Pacific Ocean. One night, the lighthouse is attacked by a monster that has come out of the sea and all the members are killed. Receiving an SOS, Daisaku (Johnny Sokko) and Minami rush to the scene. The building has become a ruin and the decoding machine is gone. It is serious, for if it falls in the hands of BF members, the secret places of Unicorn branches all over the world will be found out. They don't know that Spider and his men are hiding with the machine in a cargo boat on a nearby pier.

Daisaku and Minami happen to help a one-eyes man BF members are chasing. According to the man's story, they are trying to kill him as a traitor because he became frightened by the inhumanity of the syndicate and quit it. After taken to Azuma's headquaters, the man tells him that three children have been imprisoned by BF members in their secret base in a cave at the foot of a mountain. Daisaku and Minami rush to the scene with the man as their guide. They enter the cave and find the children, but they are startled to hear that a two-faced monster engraved on a rock is alive. When they are trying to run out, the one-eyed man points a gun at them. He turns out to be Black Dia, new head of the Japanese branch of the syndicate. They realize they have fallen into his trap, but it is too late.

Emperor Guillotine gives Dr. Over a spaceship equipped with all kinds of scientific weapons. After landing at the earth, Over sends an electric monster called Sparky to the ground of a soccer game and kidnaps all 30,000 spectators as hostages. Then Black Dia announces that he will be killed if Giant Robo takes action. Daisaku puts a small radio in Over's car to locate their headquarters. Over finds it and is exasperated. He tells them that he will have Sparky destroy the whole city of Tokyo unless the Japanese Government surrenders unconditionally by next day's noon.

Unicorn members locate the secret headquarters of the Japanese Branch of BF Syndicate. They attack the house and arrest Dr. Over by taking his blue star-shaped metal on his chest, the source of his magical power. Daisaku leaves the metal with Marie, a young girl who has lately joined the organization. After having a narrow escape, Black Dia is told by Emperor Guillotine to take back Over by using Unabalan, a synthetic monster. Next day, Azuma is asked to investigatea strange case in Uano zoo. A python dies and a hard substance like a fossil is found in its belly. And all the snakes in the zoo are found dead. Azuma brings the substance to the headquarters and puts it in the medical room. That night, it turns into a dreadful monster and helps out Over from the prison by killing a guard.

The underground office of the South Pole Unicorn Branch is buried in red sand which suddenly started to gush out in the ice field. As the communications are cut off, Azuma sends Daisaku and Ninami there to see what happened. Before their departure, Marie gives her pendant to Daisaku as a talisman. In the South Pole all the office members are found dead. When two men are gazing at their bodies, red sand starts to flow from the hatch. They soon notice it, but it is too late.