Episode 1
Aired Jan 17, 2004
Power Up
Dr. O'Shay activates Astro Boy, but the power surge overloads the Metro Power System; robotic power-controller, Magnamite, turns into a robotic menace.
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Episode 2
Aired Jan 24, 2004
Rocket Ball
When the robot players of a rocketball game become destructive, Astro Boy must save the human spectators and control the dangerous robot athletes; Dr. O'Shay makes a discovery.
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Episode 3
Aired Jan 31, 2004
Atlas
Astro meets a powerful teenage robot named Atlas.
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Episode 4
Aired Feb 7, 2004
Astro vs. Atlas
Astro saves the world from Atlas and begins to learn the secret of his origin.
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Episode 5
Aired Mar 10, 2004
Destination Deimos
On the moon Deimos, robot miners ignore the orders of their human foreman and begin digging on their own; Astro Boy must step in before Intergalactic Security exterminates the disobedient robots.
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Episode 6
Aired Mar 11, 2004
Into Thin Air
The evil Skunk tricks an invisible robot into committing robberies; Astro Boy must teach her the difference between right and wrong.
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Episode 7
Aired Mar 15, 2004
Rainbow Canyon
A weather experiment turns a desert into fertile farmland; an evil scientist causes earthquakes and storms.
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Episode 8
Aired Mar 17, 2004
Neon Express
Kato hides a hyperaccelerator virus onboard the robotic super train, Neon Express, sending the train and its passengers speeding out of control.
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Episode 9
Aired Mar 18, 2004
Franken
A marauding robot scares humans as he hunts for scrap parts to rebuild his own faulty system; Astro Boy must uncover the truth before the robot is targeted for destruction.
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Episode 10
Aired Mar 23, 2004
The Venus Robots
Dr. Tenma impersonates the leader of some advanced robots to take advantage of their special powers; Astro Boy must uncover his evil intentions.
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Episode 11
Aired Mar 24, 2004
The Fall of Acheron
Astro and Zoran convince Pluto to stop his attacks; Pluto's inventor creates a more evil version of Pluto called Acheron; only with Pluto's help can Astro Boy defeat Acheron.
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Episode 12
Aired Mar 25, 2004
Lost in Outland
Astro Boy saves the planet from a falling satellite and sustains damage; Astro Boy has memory loss; Boon tries to help.
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Episode 13
Aired Mar 25, 2004
Robot Hunters
Skunk programs an robot hunter to attack innocent robots, dismantling them for the black market; Astro Boy helps the hunter to overcome its programming.
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Episode 14
Aired Mar 31, 2004
Dragon Lake
Astro Boy must find the poison around Dragon Lake; he and the eccentric explorer, Gulliver, face off against the toxic Repo Girls in a fight to save Dragon Lake.
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Episode 15
Aired Apr 6, 2004
Dawn of the Techno-Revolution
With his authority challenged by Shadow, Dr. Tenma sets out to prove that Astro is loyal to their cause and will join them in leading the robot revolution.
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Episode 16
Aired Apr 19, 2004
The Rise of Pluto
Astro faces off against a combat robot, named Pluto, who is sent to destroy Earth's strongest robots.
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Episode 17
Aired Apr 22, 2004
Deep City
An underground city threatens the environment, so the environment fights back; tree roots attack the city and its people; Astro Boy must restore the delicate balance of nature to save the humans.
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Episode 18
Aired Apr 23, 2004
The Blue Knight
When an air blimp is threatened with a wormhole device, Astro Boy is blamed and arrested; a mysterious robot named The Blue Knight helps him escape from jail and together they must prove Astro Boy's innocence.
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Episode 19
Aired Apr 26, 2004
Hydra-Jacked
A power station orbiting the Earth is set to self-destruct; Astro Boy and the Blue Knight uncover a secret about the corrupt humans who caused the danger.
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Episode 20
Aired Apr 29, 2004
Geo Raider
Astro goes on a journey to the center of the earth; a member of the crew mutinies; an eruption of lava threatens to destroy them all.
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Episode 21
Aired Apr 30, 2004
The Secret of the Blue Knight
Illegal robot fights are staged to entertain spectators; Astro and the Blue Knight try to stop the battles; Astro learns the truth about the Blue Knight's past.
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Episode 22
Aired May 1, 2004
Reviving Jumbo
Skunk reactivates the giant robot, Jumbo, using him to stage a daring prison break; Astro Boy must stop Jumbo and turn him back into a gentle giant.
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Episode 23
Aired May 29, 2004
Robot Boy
Astro Boy's friend Tatsuo dresses up like a robot and gets into lots of trouble; Tatsuo's mother disapproves; Astro Boy must save Tatsuo's mother.
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Episode 24
Aired Jun 5, 2004
Little Sister, Big Trouble
Dr. O'Shay creates Zoran, a robot sister for Astro Boy; Zoran is captured by the giant robot bird, Kitari.
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Episode 25
Aired Jun 12, 2004
Micro Adventure
A micro-robot attacks Zoran's operating system from the inside; Astro Boy shrinks to microscopic size to fight the micro-robot and save his sister.
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Episode 26
Aired Jun 19, 2004
Robot Circus
Astro Boy meets Numata, an eccentric explorer who is looking for a legendary monster.
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Episode 27
Aired Jul 10, 2004
Only a Machine
Skunk creates Eraserbot, a robot programmed to steal all other robots' artificial intelligence; Astro Boy fights with Eraserbot; Eraserbot becomes more powerful.
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Episode 28
Aired Jul 24, 2004
The Legend of Tohron
When the environment turns against humans, it is up to Astro boy to save the humans and restore the delicate balance of nature.
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Episode 29
Aired Jul 31, 2004
March of the Micro Bears
A talking Teddy bear gets popular in Metro City; the Teddy bears control their owners and wreak havoc; a rift forms between Astro Boy and Kenichi; Astro Boy makes a discovery.
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