S01E0124:181. 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…Episodes — Season 1
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S01E0124:181. 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…
S01E0224:002. Rocket BallWhen 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…
S01E0324:183. Destination DeimosOn 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…
S01E0424:054. Into Thin AirThe 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…
S01E0524:515. Rainbow CanyonAn 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…
S01E0624:536. Birth of AtlasDr. 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…
S01E0724:237. Astro Vs. AtlasAs Atlas continues his rampage, Astro learns the truth about his own past. With the memory circuits reactivated, Astro remembers being created, rejected, abandoned by…
S01E0824:148. Neon ExpressWhen 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…
S01E0924:129. FrankenA 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…
S01E1024:5710. The Venus RobotsIn 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…
S01E1124:1911. Robot CircusA 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…
S01E1224:2112. Reviving JumboSkunk 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.
S01E1324:1913. Little Sister, Big TroubleDoctor 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…
S01E1424:1214. Micro AdventureA 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…
S01E1524:5015. Only a MachineAstro must stop Erasabot from sucking out the artificial intelligence from all the robots in Metro City.
S01E1624:3216. Robot HuntersAn 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…
S01E1724:1017. The Rise of PlutoPluto 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…
S01E1824:0718. The Fall of Archeron
S01E1924:1719. Robot BoyAstro'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…
S01E2024:3820. Dawn of the Techno-RevolutionWith 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.
S01E2124:3221. Dragon LakeAstro 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…
S01E2224:0622. The Legend of TohronAstro must protect Princess Abby against a plot to take over her ancient land of Mayura.
S01E2324:5223. Lost In OutlandWhile 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…
S01E2424:1524. March of the Micro BearsWhen 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.
S01E2524:4125. Deep CityAn 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…
S01E2624:5926. The Blue KnightWhen 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…
S01E2724:2527. Old Dog, New TricksAstro partners with Yuko's Uncle Wally to solve a series of baffling robberies involving a dragon-like robotic monster.
S01E2824:4828. Hydra-JackedA 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…
S01E2924:3429. The Case of the Phantom Fowl
S01E3024:5530. Geo-RaiderAstro 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…
S01E3124:4131. Gideon
S01E3224:1132. The Secret of Blue KnightWhen 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…
S01E3324:0533. Fairy Tale
S01E3424:1834. Shape Shifter
S01E3524:2835. Firebird
S01E3624:2236. Space Academy
S01E3724:4837. Atlas Strikes Back
S01E3824:3338. Battle-Bot
S01E3924:1539. Time Hunters
S01E4024:1640. Escape from Volcano Island
S01E4124:0641. Avalanche
S01E4224:3642. Battle of Steel Island
S01E4324:5843. Undercover
S01E4424:2544. Into the Dragon's Lair
S01E4524:1145. Night Before the Revolution
S01E4624:5746. Robotonia
S01E4724:3547. Showdown in Robotonia
S01E4824:2248. Journey to Tomorrow
S01E4924:2849. Astro Reborn
S01E5024:3750. The Final BattleWhere to stream Astro Boy
Availability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.
Astro Boy synopsis
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.
Astro Boy cast
Astro Boy trailer
About the series Astro Boy
Astro Boy is a series (animation and action & adventure), airing on Fuji TV, Kansai TV, Hokkaido Cultural Broadcasting, Sendai Television, SAGA TV, TNC, Kochi Sun Sun Broadcasting, TV Shizuoka, UMK TV Miyazaki, NST, Fukushima TV and KTN since 2003. It has 1 season and 50 episodes of about 24 minutes each. The series ended on March 28, 2004. Cast members include Makoto Tsumura, Miki Maruyama and Hisashi Katsuta. It is rated 7.9/10 by 23 TMDB users.
Frequently asked questions about Astro Boy
Where to watch Astro Boy online?
In the United States, Astro Boy is available with a subscription on RetroCrush Amazon Channel, to buy on Apple TV Store (source: JustWatch via TMDB, offers subject to change). Each episode has its own page with this information.
How many seasons of Astro Boy are there?
Astro Boy has 1 season for a total of 50 episodes.
Has Astro Boy ended?
Yes, the series has ended: the last episode aired on March 28, 2004.
Who stars in Astro Boy?
The lead actors are Makoto Tsumura (Atom (voice)), Miki Maruyama (Uran (voice)), Hisashi Katsuta (Ochanomizu Hakase (voice)), Shin'ya Ohwada (Nagamiya Tenma (voice)), Kazuo Kumakura (Higeoyaji (voice)).














