S01E01 Power Up!
When Astro is activated the city's power starts to drain, and he must try and stop the robot Magnamite from destroying everything. Armed with Kokoro (the ability of free will) Astro discovers his purpose for...
Astro Boy
S01E26: The Blue Knight
When air-blimp is threatened with a wormhole device, Astro is blamed and arrested. The Blue Knight helps him escape from jail, and together they must save the blimp and prove Astro's innocence.
Overview
Astro is a robotic boy created by Dr. Tenma to replace his late son. When Tenma destroys his laboratory and shuts down Astro, the Ministry of Science revives him and tries to give him a normal life as a 6th-grade student who occasionally helps keep renegade robots from causing harm.
Episodes
S01E02 Rocket Ball
When a friendly robot-dog invites Astro to watch a game of Rocket Ball, he looks forward to a fun day at the ballpark, Instead, the game turns chaotic when the robot players start destroying the...
S01E03 Destination Deimos
On Deimos, one of the two moons of Mars, robot miners ignore the orders of their human foreman and mysteriously begin digging on their own. Astro must work fast to discover the cause of the...
S01E04 Into Thin Air
The evil Skunk tricks Denkou, an "Invisible Robot," into committing a string of robberies. Astro soon realizes that Denkou is not bad, she just doesn't know the difference between right and wrong and Astro is...
S01E05 Rainbow Canyon
An experiment in advanced weather technology has turned a desert canyon into fertile farmland, and proven once again that humans and robots can work together, But a sudden rash of earthquakes and storms threatens to...
S01E06 Birth of Atlas
Dr. Tenma builds a powerful robot named Atlas whose abilities rival Astro's, But Atlas has a rebellious nature and begins to destroy Metro City. Astro must save the city from Atlas, while beginning to learn...
S01E07 Astro Vs. Atlas
As Atlas continues his rampage, Astro learns the truth about his own past. With the memory circuits reactivated, Astro remembers being created, rejected, abandoned by Dr. Tenma, Astro must face difficult questions about his own...
S01E08 Neon Express
When Kato hides a hyper-accelerator virus on the robotic super train Neon Express, it sends the train and its passengers speeding out of control. Astro must rescue the passengers and prevent the train from crashing...
S01E09 Franken
A mysterious robot terrifies humans as he hunts for scrap robot parts and uses them to rebuild his own malfunctioning system. The police target the robot for destruction, but he may not be the "evil...
S01E10 The Venus Robots
In order to take advantage of their special freezing powers, Dr Tenma pretends to be the long-awaiting leader of a group of advanced robots. The Robots don't realize that their freezing functions cause terrible destruction...
S01E11 Robot Circus
A robot circus star named Reno is revealed to be a human boy in disguise. Astro must save the circus, and prevent the authorities from taking the boy from his robot family.
S01E12 Reviving Jumbo
Skunk reactivates Jumbo, a giant robot and uses him to stage a daring prison break. Astro must stop Jumbo and turn him back into the gentle giant that he really is.
S01E13 Little Sister, Big Trouble
Doctor O'Shay creates a robot-sister, Zoran, for Astro. While Zoran is off exploring she is captured by the giant robot bird Katari, and only her powerful big brother can save her!
S01E14 Micro Adventure
A micro-robot attacks Zoran's operating system from the inside. Astro must shrink down to microscopic size and go inside of Zoran's system to fight the micro-robot and save his sister.
S01E15 Only a Machine
Astro must stop Erasabot from sucking out the artificial intelligence from all the robots in Metro City.
S01E16 Robot Hunters
An android robot hunter is attacking innocent robots and dismantling them for sale on the black market. Astro befriends the hunter and tries to help him overcome the programming he was given by Skunk.
S01E17 The Rise of Pluto
Pluto vows to become the supreme robot champion of the world. As he defeats his rivals, he gains their special powers and becomes even stronger. Astro is the only one left who can stop Pluto.
S01E18 The Fall of Archeron
S01E19 Robot Boy
Astro's human friend Matthew loves robots so much that he pretends he is one. But when he tries to use "robot" powers to save his mom from a space shuttle accident, it's up to Astro...
S01E20 Dawn of the Techno-Revolution
With his authority challenged by Shadow, Dr. Tenma sets out to prove that Astro is loyal to the robot cause and will join them in leading the robot revolution.
S01E21 Dragon Lake
Astro must find the poison around Dragon Lake. When he gets there he meets the eccentric explorer Gulliver, and they face-off against the toxic Repo Girls in a fight to save Dragon Lake.
S01E22 The Legend of Tohron
Astro must protect Princess Abby against a plot to take over her ancient land of Mayura.
S01E23 Lost In Outland
While saving the planet from a falling satellite, Astro is damaged and loses his memory. Boon, a scientist with a mysterious past, tries to help Astro recover before another satellite hits Earth.
S01E24 March of the Micro Bears
When Shadow unleashes an army of mind-controlling teddy bears on Metro City, it's up to Astro to stop them before they take over the entire population.
S01E25 Deep City
An underground city threatens the environment, so the environment fights back--tree roots attack the city and its people. Astro must restore the delicate balance of nature to save the humans.
S01E26 The Blue Knight
When air-blimp is threatened with a wormhole device, Astro is blamed and arrested. The Blue Knight helps him escape from jail, and together they must save the blimp and prove Astro's innocence.
S01E27 Old Dog, New Tricks
Astro partners with Yuko's Uncle Wally to solve a series of baffling robberies involving a dragon-like robotic monster.
S01E28 Hydra-Jacked
A power station orbiting the Earth is set to self-destruct, and Astro partners with the Blue Knight to try to save the robots. They uncover a secret regarding the corrupt humans who caused the danger.
S01E29 The Case of the Phantom Fowl
S01E30 Geo-Raider
Astro joins an expedition to the center of the earth, when a member of the crew causes a mutiny. Only Astro can protect the crew and save the expedition before an eruption of lava destroys...
S01E31 Gideon
S01E32 The Secret of Blue Knight
When Astro and The Blue Knight try to stop illegal, underground robot fights, they are forced to fight each other. As they prepare for battle, Astro learns the truth about The Blue Knight's past.
S01E33 Fairy Tale
S01E34 Shape Shifter
S01E35 Firebird
S01E36 Space Academy
S01E37 Atlas Strikes Back
S01E38 Battle-Bot
S01E39 Time Hunters
S01E40 Escape from Volcano Island
S01E41 Avalanche
S01E42 Battle of Steel Island
S01E43 Undercover
S01E44 Into the Dragon's Lair
S01E45 Night Before the Revolution
S01E46 Robotonia
S01E47 Showdown in Robotonia
S01E48 Journey to Tomorrow
S01E49 Astro Reborn
S01E50 The Final Battle
Cast
Makoto Tsumura
Atom (voice)
Miki Maruyama
Uranium (voice)
Hisashi Katsuta
Professor Ochanomizu (voice)
Shin'ya Ohwada
Nagamiya Tenma (voice)
Kazuo Kumakura
Higeoyaji (voice)
