Astro Boy
鉄腕アトム
We checked 8 streaming services in India on 04 Jun 2026 at 10:00 IST
About
In the year 2000, Dr. Boyton creates a super-robot in his deceased son's image. He calls the robot Astro Boy. Astro Boy can swim oceans, leap over mountains, even fly into space on his own power. However, Astro Boy can't replace his son. Dr. Boyton becomes dissatisfied with the boy robot and disowns him. Astro Boy is befriended by Dr. Packadermus J. Elefun of the Institute of Science, who guides him through his adventures. Endowed with super strength, rocket-powered flight, a selfless heart and a kind demeanor, Astro Boy fights a never-ending crusade against the forces of evil!
Cast
Mari Shimizu
as Atom
Kazue Tagami
as Atom (voice)
Youko Mizugaki
as Uran
Akihiko Mitsueda
as Atlas
Seizo Kato
as Skank (voice)
Shingo Kanemoto
as Detective Tawashi
Kiyoshi Komiyama
as Cobalt
Masaaki Yajima
as Higeoyaji (Shunsaku Ban)
Hisashi Yokomori
as Tenma Hakase
Shinpei Sakamoto
as Detective Nakamura
Iemasa Kayumi
as Skunk
Kei Taguchi
as Lamp
Hisashi Katsuta
as Ochanomizu Hakase
Kazuo Kumakura
as Higeoyaji (Shunsaku Ban)
Seasons
Episodes
Season 1
The Birth of Astro Boy
Dr. Tenma, Director General of the Science Ministry, loses his son Tobio in an accident. He decides to create the robot Astro Boy, who looks just like Tobio, using the best of the Science Ministry's technology.
Colosso
It is the year 2000 and robots have been put in charge of making other robots when there are no longer enough people to do the work. Astro Boy dreams of having a real mother, just like human boys. The robot workers are making an experimental new robot named Colosso who goes berserk and escapes shortly after coming to life. The only hope is for Astro Boy to stop him before he cause too much trouble. (In the original Japanese version, Colosso was named "Frankenstein")
Expedition to Mars
Astroboy is selected to lead a search party to find the survivors of the first manned expedition to Mars. This meets strong objection from the spaceship's captain, who protests taking orders from a robot.
One Million Mammoth Snails
Professor Nutty Fruitcake grows giant fruits and vegetables. One day he breeds giant snails thinking they would be harmless, one million snails to be exact. The snails fill the mountain side and overflow into cities.
The Sphinx
Astroboy wakes up in the middle of the desert, nearly drained of power and unable to remember how he got there. He is helped by Ali Baba, but in return Astro must battle 'The Sphinx'. This is not a real sphinx, but a robot which guards a desert tomb.
Zero, the Invisible Robot
Zero Robot, a blend of Etheric Resin with Clear Plastic, can only be seen with polarized light. Fearless Fred Fenk uses Zero for robbery. Astro Boy once again battles another robot. Defeating Zero at a cost, Astro reassess his role in fighting villians.
Captain Atom
Alien resembling aliens including the doctor of Ochanomizu and Higeyajiji emigrated from the stars that looked like the earth in emergency. However, the food crisis and humankind will begin attacking the aliens with cell shrink solution.
The Spirit Machine
In a land called Shangri-Lee a dictator rose to power. Known to his enemies as the Mad Hatter he trusted no one. To solve this need to do everything himself he captured Dr Elefun. Dr Elefun was to make duplicates of the Mad Hatter. Astro Boy rescues Dr Elefun and the Spirit Machine is destroyed.
Where does Astro Boy rank today?
Astro Boy is #767 on the CineFlixo Daily Streaming Charts today.
- Highest: #767
- Top 10: 0 days
- Top 100: 0 days
Watch Astro Boy Online Free — All Episodes in HD
Stream Astro Boy online free in HD on CineFlixo. A well-rated animation, mystery, sci-fi & fantasy, and kids series originally produced in Japonés and released in 1963, it's earned a solid 7.4/10 from 17 viewers worldwide.
About Astro Boy
In the year 2000, Dr. Boyton creates a super-robot in his deceased son's image. He calls the robot Astro Boy. Astro Boy can swim oceans, leap over mountains, even fly into space on his own power. However, Astro Boy can't replace his son. Dr. Boyton becomes dissatisfied with the boy robot and disowns him. Astro Boy is befriended by Dr. Packadermus J. Elefun of the Institute of Science, who guides him through his adventures. Endowed with super strength, rocket-powered flight, a selfless heart and a kind demeanor, Astro Boy fights a never-ending crusade against the forces of evil! Across 1 season and 193 episodes, originally airing on Fuji TV.
Astro Boy Cast and Characters
The cast features Mari Shimizu (as Atom), Kazue Tagami (as Atom (voice)), Youko Mizugaki (as Uran), Akihiko Mitsueda (as Atlas), and Seizo Kato (as Skank (voice)). Their performances are a major reason Astro Boy has built such a passionate audience.
Where to Watch Astro Boy Online
On CineFlixo you can watch Astro Boy free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch Astro Boy NowWhy People Are Watching Astro Boy
Astro Boy flies under the radar but it deserves your attention. What makes it work is tight pacing that earns its twists and world-building that respects the audience's intelligence. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Astro Boy
Where can I watch Astro Boy online for free?
You can watch Astro Boy online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Astro Boy have?
Astro Boy has 193 episodes across 1 season. All episodes are available to stream right here on CineFlixo.
Is Astro Boy good? What's the rating?
Astro Boy holds a 7.4/10 rating based on 17 reviews — well above average.
Who is in the cast of Astro Boy?
The main cast includes Mari Shimizu, Kazue Tagami, Youko Mizugaki, and Akihiko Mitsueda, plus a strong supporting ensemble.
Is Astro Boy available in Japonés?
Yes — Astro Boy was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Astro Boy released?
Astro Boy first aired in 1963.
Do I need an account to watch Astro Boy on CineFlixo?
No. CineFlixo is free and you can watch Astro Boy without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
If you enjoyed Astro Boy, check out Negative Positive Angler, Harmony of Mille-Feuille, From Bureaucrat to Villainess: Dad's Been Reincarnated!, From Old Country Bumpkin to Master Swordsman, and Paradise of Innocence.
Frequently Asked Questions
Where can I watch Astro Boy for free?
You can watch Astro Boy online for free on CineFlixo. All 193 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Astro Boy have?
Astro Boy currently has 1 season and a total of 193 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is Astro Boy about?
In the year 2000, Dr. Boyton creates a super-robot in his deceased son's image. He calls the robot Astro Boy. Astro Boy can swim oceans, leap over mountains, even fly into space on his own power. However, Astro Boy can't replace his son. Dr. Boyton becomes dissatisfied with the boy robot and disowns him. Astro Boy… It belongs to the Animation, Mystery, Sci-Fi & Fantasy, Kids genres.
In which language is Astro Boy originally available?
Astro Boy was originally produced in JA. On CineFlixo the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.
When was Astro Boy first released?
Astro Boy first premiered on January 1, 1963 (1963). The series has since concluded its run.
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