Seasons & episodes
S1 · E97Contest in Space 1964-12-05 · 27 min
Planet Hyper is the most civilized planet in the galactic system. It chooses a pair of a human and a robot each from both the Earth and Planet War to have them fight against each other, and will destroy the loser's planet. Astro and Ponkotsu Tetsu, the safebreaker, are chosen to represent the Earth.
S1 · E98Gift of Zeo 1964-12-12 · 26 min
A big robot is excavated from the construction site of a tunnel. It turns out to be a time capsule that was created to pass down information on a super ancient civilization of a million years ago to posterity.
S1 · E99A Deep Deep Secret 1964-12-19 · 27 min
Colon-bu-bu, the explorer of the underground state of Chombo, heads for the ground hoping to see a new world. Then he meets Cobalt and takes him underground as prisoner.
S1 · E100The Wonderful Christmas Present 1964-12-26 · 26 min
On Christmas night, Dr. Ochanomizu opens the will of his scientist friend who died 10 years before. It says that he has left an invention in Bururu Mountain. Astro and his friends happen to be on the mountain and encounter a boy called Akio who lives alone there.
S1 · E101Uncharted World 1965-01-02 · 27 min
The visiting Prince Dorian of the Camellia Kingdom disappears. Astro goes searching for him using the latest 4D detection device, and finds the prince wandering in another world. That world is inhabited by people who have been spirited away from various time periods.
S1 · E102Jungle Mystery 1965-01-09 · 27 min
Uran is going to be in a movie as Tarzan. When she goes on location to the jungle, however, a mysterious woman takes her away. The woman is planning to make Uran, who is dressed as a boy, the prince of the demon's place.
S1 · E103The Terrible Spaceman 1965-01-16 · 27 min
Humans are drawn toward a flight of stairs that suddenly appear one day, and they start to walk towards a spaceship hidden among the clouds. When there are no humans left on earth, the robots start to talk about taking over the planet.
S1 · E104The Devil’s Balloon 1965-01-23 · 26 min
No episode summary available yet.
S1 · E105General Astro 1965-01-30 · 27 min
Astro is shot by a gun that ruins artificial intelligence. He loses all his memory, and is shot away into space.
S1 · E106The Mighty Mite From Ursa Minor 1965-02-06 · 27 min
Hamegg sees a UFO in the woods that seems to have made an emergency landing, and finds an alien child. He notices the child's super strength, and plans to win the child's fame as a wrestler.
S1 · E107Mystery of the Metal Men 1965-02-13 · 27 min
Astro is involved in an explosion during the construction of a dam. The impact sends him into a parallel world where Tobio, the son of Dr. Tenma, never died in an accident. In other words, it is a world where Astro has not been born.
S1 · E108Super Human Beings 1965-02-20 · 27 min
Three scientists gain supernatural power on the surface of the moon. Then Dr. Arden, who has a grudge against Dr. Ochanomizu, stages an attack against him. In order to protect Dr. Ochanomizu, Astro fights fiercely against the scientists who have supernatural power.
S1 · E109Phoenix Bird 1965-02-27 · 27 min
Astro finds a big egg in a cave. He asks Dr. Ochanomizu to identify the egg, but they are unsuccessful. So Astro goes back to the island, where he encounters a strange bird that lives there.
S1 · E110Menace from Mercury 1965-03-06 · 27 min
Astro is investigating a super thermal bomb that has fallen on earth. Then he heads for Mercury to find its launching site. On his way, however, Astro loses his sight in an accident, and gets involved in a power struggle with aliens on Mercury.
S1 · E111Robot Polymer 1965-03-13 · 26 min
No episode summary available yet.
S1 · E112Samson’s Hair 1965-03-27 · 27 min
No episode summary available yet.
S1 · E113Dangerous Mission 1965-04-03 · 27 min
A country called Back suddenly withdraws from the World Peace Union, and announces to its people a ban on invention and laughter. Astro and Dr. Ochanomizu visit the country to find out what is behind this dictatorial policy.
S1 · E114Metro Monster 1965-04-10 · 26 min
No episode summary available yet.
S1 · E115The Big Runaway Safe 1965-04-17 · 25 min
No episode summary available yet.
S1 · E116The Greatest Robot on Earth (part one) 1965-04-24 · 27 min
A robot, Pluto is built to kill the 7 strongest robots in the world, therefore making him the world's most powerful robot.
S1 · E117The Greatest Robot on Earth (part two) 1965-05-01 · 26 min
Pluto succeeds in disposing of Montblanc, North #2, Brando, Gesicht, Hercules, and Photar with ease, leaving Astro as his sole remaining target. After meeting Astro, he begins to question his actions.
S1 · E118Robot Grabby 1965-05-08 · 26 min
No episode summary available yet.
S1 · E119Planet 13 1965-05-15 · 27 min
Planet M, shaped like a convex lens, is approaching the Earth. It reflects solar light toward the Earth, turning its surface into hell. Humans, however, cannot cooperate in tackling this global issue because they are all motivated by their own greed.
S1 · E120Time Hunter 1965-05-22 · 25 min
No episode summary available yet.