Power Up
Season 1, Episode 1 TV-Y7
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Dr. O'Shay activates Astro by drawing all of the city's power and using it to jolt Astro to life. But the power surge overloads the Metro City Power System, turning Magnamite, the robotic power-controller, into a robotic menace.
Rocket Ball
Season 1, Episode 2 TV-Y7
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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 stadium and threatening the human spectators.
Atlas
Season 1, Episode 3 TV-Y7
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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 the secrets of his own past.
Astro vs. Atlas
Season 1, Episode 4 TV-Y7
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As Atlas continues his rampage, Astro learns the truth about his own past. With his memory circuits reactivated, Astro remembers being created, rejected, and abandoned by Dr. Tenma. Astro must face difficult questions about his his ultimate destiny.
Destination Deimos
Season 1, Episode 5 TV-Y7
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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 robots' strange behavior.
Into Thin Air
Season 1, Episode 6 TV-Y7
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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 the only one who can teach her.
Rainbow Canyon
Season 1, Episode 7 TV-Y7
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An experiment in advanced weather technology has turned a desert canyon into fertile farmland, and proven once again that humans and robots can work well together. But a sudden rash of earthquakes and storms threatens to wreck the project.
Neon Express
Season 1, Episode 8 TV-Y7
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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 into the center of Metro City.
Franken
Season 1, Episode 9 TV-Y7
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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 robot" he appears to be.
The Venus Robots
Season 1, Episode 10 TV-Y7
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In order to take advantage of their special freezing powers, Dr. Tenma pretends to be the long-awaited leader of a group of advanced robots.
Reviving Jumbo
Season 1, Episode 11 TV-Y7
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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.
Robot Hunters
Season 1, Episode 12 TV-Y7
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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 destructive programming he was given by Skunk.
The Rise of Pluto
Season 1, Episode 13 TV-Y7
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Pluto, one of the strongest robots Metro City has ever seen, has vowed to become the supreme robot champion of the world. One by one, he challenges and defeats his rivals, gaining their special powers and abilities as he beats them.
The Fall of Acheron
Season 1, Episode 14 TV-Y7
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Astro and Zoran convince Pluto to stop his destructive ways. But now Pluto's inventor, Shadow, produces a more wicked, more powerful version of Pluto called Acheron.
Dragon Lake
Season 1, Episode 15 TV-Y7
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When the land around Dragon Lake is poisoned and begins to die, Astro must find the source of the poison. 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.
Lost In Outland
Season 1, Episode 16 TV-Y7
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While saving the planet from a falling satellite, Astro sustains damage to his system and plummets to the Earth. When he awakens, he has lost his memory. Boon, a discredited scientist with a mysterious past, tries to help Astro recover.
Deep City
Season 1, Episode 17 TV-Y7
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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.
Robot Circus
Season 1, Episode 18 Unrated
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Astro's day at the circus is interrupted when it is revealed that Reno, one of the circus' robot stars, is actually a human boy in disguise. When the town's authorities try to take Reno away, Astro must fight to protect him and save the circus.
Little Sister, Big Trouble
Season 1, Episode 19 TV-Y7
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Doctor O'Shay creates a robot-sister, Zoran, for Astro. Zoran goes off on her own to explore and discovers the giant robot bird Katari cruising over Metro City. When it captures her, only her powerful big brother can save her!
Micro Adventure
Season 1, Episode 20 TV-Y7
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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.
Only A Machine
Season 1, Episode 21 TV-Y7
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Astro must stop Erasabot from sucking out the artificial intelligence from all the robots in Metro City.
Robot Boy
Season 1, Episode 22 TV-Y7
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Astro's new human friend Matthew loves robots so much that he dresses up in scrap metal and pretends that he IS a robot.
Dawn of the Techno-Revolution
Season 1, Episode 23 TV-Y7
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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.
The Legend of Tohron
Season 1, Episode 24 TV-Y7
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In a new season based on the classic anime series, Astro Boy is brought back to life at the retro-futuristic Metro City’s Ministry of Science by the kindly Dr. O’Shay. Years earlier, Dr. Tenma, O’Shay’s predecessor and a brilliant scientist in his own right, created Astro in the image of his late son, only to turn against him in his obsessive quest for absolute authority. Now living under O’Shay’s thoughtful tutelage, Astro is as resourceful as he is strong. Able to fly at supersonic speeds, he has a keen sense of justice tempered only by his more child-like tendencies. Whether battling the evil Dr. Tenma and his powerful android army, looking out for Zoran, the mischievous little sister that O’Shay created for him, or rehabilitating some wayward machines, Astro never wavers from his mission to achieve fairness and justice for people and robots alike.
The March of the Micro Bears
Season 1, Episode 25 TV-Y7
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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.