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Astro Boy poster

Astro Boy (2003)

7.9 1 season 50 episodes Ended
AnimationAction & AdventureSci-Fi & FantasyFamilyComedyKids

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.

Watch S1 E1 Latest: S1 E50

Seasons & episodes

E1
Power Up!Apr 6, 2003 · 24m

When Astro is activated the city's power starts to drain, and he must try and stop the robot Magnamite from destroying everything. Armed wi…

E2
Rocket BallApr 13, 2003 · 24m

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 tu…

E3
Destination DeimosApr 20, 2003 · 24m

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.…

E4
Into Thin AirApr 27, 2003 · 24m

The evil Skunk tricks Denkou, an "Invisible Robot," into committing a string of robberies. Astro soon realizes that Denkou is not bad, she…

E5
Rainbow CanyonMay 4, 2003 · 24m

An experiment in advanced weather technology has turned a desert canyon into fertile farmland, and proven once again that humans and robots…

E6
Birth of AtlasMay 11, 2003 · 24m

Dr. Tenma builds a powerful robot named Atlas whose abilities rival Astro's, But Atlas has a rebellious nature and begins to destroy Metro…

E7
Astro Vs. AtlasMay 18, 2003 · 24m

As Atlas continues his rampage, Astro learns the truth about his own past. With the memory circuits reactivated, Astro remembers being crea…

E8
Neon ExpressMay 25, 2003 · 24m

When Kato hides a hyper-accelerator virus on the robotic super train Neon Express, it sends the train and its passengers speeding out of co…

E9
FrankenJun 1, 2003 · 24m

A mysterious robot terrifies humans as he hunts for scrap robot parts and uses them to rebuild his own malfunctioning system. The police ta…

E10
The Venus RobotsJun 8, 2003 · 24m

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…

E11
Robot CircusJun 15, 2003 · 24m

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 taki…

E12
Reviving JumboJun 22, 2003 · 24m

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…

E13
Little Sister, Big TroubleJul 6, 2003 · 24m

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 on…

E14
Micro AdventureJul 13, 2003 · 24m

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…

E15
Only a MachineJul 20, 2003 · 24m

Astro must stop Erasabot from sucking out the artificial intelligence from all the robots in Metro City.

E16
Robot HuntersJul 27, 2003 · 24m

An android robot hunter is attacking innocent robots and dismantling them for sale on the black market. Astro befriends the hunter and trie…

E17
The Rise of PlutoAug 3, 2003 · 24m

Pluto vows to become the supreme robot champion of the world. As he defeats his rivals, he gains their special powers and becomes even stro…

E18
The Fall of ArcheronAug 10, 2003 · 24m
E19
Robot BoyAug 17, 2003 · 24m

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…

E20
Dawn of the Techno-RevolutionAug 24, 2003 · 24m

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 t…

E21
Dragon LakeAug 31, 2003 · 24m

Astro must find the poison around Dragon Lake. When he gets there he meets the eccentric explorer Gulliver, and they face-off against the t…

E22
The Legend of TohronSep 7, 2003 · 24m

Astro must protect Princess Abby against a plot to take over her ancient land of Mayura.

E23
Lost In OutlandSep 14, 2003 · 24m

While saving the planet from a falling satellite, Astro is damaged and loses his memory. Boon, a scientist with a mysterious past, tries to…

E24
March of the Micro BearsSep 21, 2003 · 24m

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…

E25
Deep CitySep 28, 2003 · 24m

An underground city threatens the environment, so the environment fights back--tree roots attack the city and its people. Astro must restor…

E26
The Blue KnightOct 5, 2003 · 24m

When air-blimp is threatened with a wormhole device, Astro is blamed and arrested. The Blue Knight helps him escape from jail, and together…

E27
Old Dog, New TricksOct 12, 2003 · 24m

Astro partners with Yuko's Uncle Wally to solve a series of baffling robberies involving a dragon-like robotic monster.

E28
Hydra-JackedOct 19, 2003 · 24m

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…

E29
The Case of the Phantom FowlOct 26, 2003 · 24m
E30
Geo-RaiderNov 2, 2003 · 24m

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 t…

E31
GideonNov 9, 2003 · 24m
E32
The Secret of Blue KnightNov 16, 2003 · 24m

When Astro and The Blue Knight try to stop illegal, underground robot fights, they are forced to fight each other. As they prepare for batt…

E33
Fairy TaleNov 23, 2003 · 24m
E34
Shape ShifterNov 30, 2003 · 24m
E35
FirebirdDec 7, 2003 · 24m
E36
Space AcademyDec 14, 2003 · 24m
E37
Atlas Strikes BackDec 14, 2003 · 24m
E38
Battle-BotDec 28, 2003 · 24m
E39
Time HuntersJan 11, 2004 · 24m
E40
Escape from Volcano IslandJan 18, 2004 · 24m
E41
AvalancheJan 25, 2004 · 24m
E42
Battle of Steel IslandFeb 1, 2004 · 24m
E43
UndercoverFeb 8, 2004 · 24m
E44
Into the Dragon's LairFeb 15, 2004 · 24m
E45
Night Before the RevolutionFeb 22, 2004 · 24m
E46
RobotoniaFeb 29, 2004 · 24m
E47
Showdown in RobotoniaMar 7, 2004 · 24m
E48
Journey to TomorrowMar 14, 2004 · 24m
E49
Astro RebornMar 21, 2004 · 24m
E50
The Final BattleMar 28, 2004 · 24m

Cast

Makoto TsumuraAtom (voice)
Miki MaruyamaUran (voice)
Hisashi KatsutaOchanomizu Hakase (voice)
Shin'ya OhwadaNagamiya Tenma (voice)
Kazuo KumakuraHigeoyaji (voice)

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