Astro Boy poster
Where to stream

Astro Boy

7.920031 seasonTV-GTV SeriesAnimationAction & AdventureSci-Fi & Fantasy

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.

DirectorKazuya Konaka
ProducersTsuneyuki Morishima·Takayuki Matsutani

Where to watch

RetroCrush Amazon ChannelRetroCrush Amazon Channel
Availability shown for United States · rights vary by country

Seasons & Episodes

E1
Power Up!
Apr 6, 2003 8.0
E2
Rocket Ball
Apr 13, 2003 10.0
E3
Destination Deimos
Apr 20, 2003 10.0
E4
Into Thin Air
Apr 27, 2003 9.0
E5
Rainbow Canyon
May 4, 2003 6.0
E6
Birth of Atlas
May 11, 2003
E7
Astro Vs. Atlas
May 18, 2003
E8
Neon Express
May 25, 2003
E9
Franken
Jun 1, 2003
E10
The Venus Robots
Jun 8, 2003
E11
Robot Circus
Jun 15, 2003
E12
Reviving Jumbo
Jun 22, 2003
E13
Little Sister, Big Trouble
Jul 6, 2003
E14
Micro Adventure
Jul 13, 2003
E15
Only a Machine
Jul 20, 2003
E16
Robot Hunters
Jul 27, 2003
E17
The Rise of Pluto
Aug 3, 2003
E18
The Fall of Archeron
Aug 10, 2003
E19
Robot Boy
Aug 17, 2003
E20
Dawn of the Techno-Revolution
Aug 24, 2003
E21
Dragon Lake
Aug 31, 2003
E22
The Legend of Tohron
Sep 7, 2003
E23
Lost In Outland
Sep 14, 2003
E24
March of the Micro Bears
Sep 21, 2003
E25
Deep City
Sep 28, 2003
E26
The Blue Knight
Oct 5, 2003
E27
Old Dog, New Tricks
Oct 12, 2003
E28
Hydra-Jacked
Oct 19, 2003
E29
The Case of the Phantom Fowl
Oct 26, 2003
E30
Geo-Raider
Nov 2, 2003
E31
Gideon
Nov 9, 2003
E32
The Secret of Blue Knight
Nov 16, 2003
E33
Fairy Tale
Nov 23, 2003
E34
Shape Shifter
Nov 30, 2003 3.0
E35
Firebird
Dec 7, 2003
E36
Space Academy
Dec 14, 2003
E37
Atlas Strikes Back
Dec 14, 2003
E38
Battle-Bot
Dec 28, 2003
E39
Time Hunters
Jan 11, 2004
E40
Escape from Volcano Island
Jan 18, 2004
E41
Avalanche
Jan 25, 2004
E42
Battle of Steel Island
Feb 1, 2004
E43
Undercover
Feb 8, 2004
E44
Into the Dragon's Lair
Feb 15, 2004
E45
Night Before the Revolution
Feb 22, 2004
E46
Robotonia
Feb 29, 2004
E47
Showdown in Robotonia
Mar 7, 2004
E48
Journey to Tomorrow
Mar 14, 2004
E49
Astro Reborn
Mar 21, 2004
E50
The Final Battle
Mar 28, 2004

Cast · Directed by Kazuya Konaka

MTMakoto Tsumura
Makoto Tsumura
Atom (voice)
MMMiki Maruyama
Miki Maruyama
Uran (voice)
HKHisashi Katsuta
Hisashi Katsuta
Ochanomizu Hakase (voice)
SOShin'ya Ohwada
Shin'ya Ohwada
Nagamiya Tenma (voice)
KKKazuo Kumakura
Kazuo Kumakura
Higeoyaji (voice)

More from Kazuya Konaka · Director

Zyuden Sentai Kyoryuger
Zyuden Sentai Kyoryuger
2013 · 6.9
Ultraman Dyna
Ultraman Dyna
1997 · 8.1
Ultraman Cosmos
Ultraman Cosmos
2001 · 8.2
Ultraman Ginga S
Ultraman Ginga S
2014 · 8.5
Ultraman Nexus
Ultraman Nexus
2004 · 8.2
Magical Teacher Negima!
Magical Teacher Negima!
2007 · 1.0
Ultraman Orb: The Origin Saga
Ultraman Orb: The Origin Saga
2016 · 7.9
Cellphone Investigator 7
Cellphone Investigator 7
2008 · 8.7
Ultraman Zearth 2: Superhuman Big Battle - Light and Shadow
Ultraman Zearth 2: Superhuman Big Battle - Light and Shadow
1997 · 7.0
Ultraseven X
Ultraseven X
2007 · 8.2
See all fromKazuya Konaka

More from Tezuka Productions · Studio

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2019 · 8.5
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2024 · 6.6
The Quintessential Quintuplets
The Quintessential Quintuplets
2019 · 8.4
Akame ga Kill!
Akame ga Kill!
2014 · 8.2
Girlfriend, Girlfriend
Girlfriend, Girlfriend
2021 · 7.3
The Fable
The Fable
2024 · 7.7

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Astro Boy — streaming FAQ

Which OTT platform streams Astro Boy?

Astro Boy is streaming on RetroCrush in United States, and available to rent or buy on Apple TV Store. It's not currently on Netflix.

Is Astro Boy on Netflix?

No, Astro Boy is not on Netflix in United States as of September 2026. It's currently on RetroCrush.

Is Astro Boy on Amazon Prime Video?

No, Astro Boy isn't on Amazon Prime Video in United States right now. It's on RetroCrush instead.

Where can I watch Astro Boy for free?

Astro Boy is available on RetroCrush in United States, but you'll need an active subscription — there's no free option right now.

How many seasons are in Astro Boy?

Astro Boy has 1 season in total (50 episodes). The series concluded in 2004.

Are all episodes of Astro Boy out yet?

Yes — all 50 episodes across 1 season of Astro Boy are out and available to stream.

Is there a Season 2 of Astro Boy?

No — Astro Boy ended after 1 season, so there is no Season 2.

What manga is Astro Boy based on?

Astro Boy is based on Astro Boy by Osamu Tezuka.