Astro Boy
ASTROBOY 鉄腕アトム
We checked 8 streaming services in India on 04 Jun 2026 at 11:57 IST
About
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.
Cast
Seasons
Episodes
Season 1
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 will) Astro discovers his purpose for being activated.
Rocket Ball
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 turns chaotic when the robot players start destroying the stadium and threatening the human spectators. Astro must find a way to save the humans and get the robot athletes under control!
Destination Deimos
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. Astro must work fast to discover the cause of the robots' strange behavior before Intergalactic Security exterminates them for disobeying.
Into Thin Air
The 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 difference between right and wrong and Astro is the only one that can teach her.
Rainbow Canyon
An 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 sudden rash of earthquakes and storms threatens to wreck the project. It's up to Astro to find out who is behind the evil plan.
Birth of Atlas
Dr. 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 from Atlas, while beginning to learn the secrets of his own past.
Astro Vs. Atlas
As Atlas continues his rampage, Astro learns the truth about his own past. With the memory circuits reactivated, Astro remembers being created, rejected, abandoned by Dr. Tenma, Astro must face difficult questions about his own identity and his ultimate destiny.
Neon Express
When 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 passengers and prevent the train from crashing into the center of Metro City.
Where does Astro Boy rank today?
Astro Boy is #1292 on the CineFlixo Daily Streaming Charts today.
- Highest: #1292
- 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 highly acclaimed animation, action & adventure, sci-fi & fantasy, family, comedy, and kids series originally produced in Japonés and released in 2003, it's earned a solid 8.0/10 from 20 viewers worldwide.
About Astro Boy
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. Across 1 season and 50 episodes, originally airing on Fuji TV.
Astro Boy Cast and Characters
The cast features Makoto Tsumura (as Atom (voice)), Miki Maruyama (as Uran (voice)), Hisashi Katsuta (as Ochanomizu Hakase (voice)), Shin'ya Ohwada (as Nagamiya Tenma (voice)), and Kazuo Kumakura (as Higeoyaji (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
There's a reason Astro Boy keeps showing up on "must-watch" lists. What makes it work is sharp comedic timing that lands consistently, action sequences that don't feel cheap, 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 50 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 8.0/10 rating based on 20 reviews — genuinely excellent.
Who is in the cast of Astro Boy?
The main cast includes Makoto Tsumura, Miki Maruyama, Hisashi Katsuta, and Shin'ya Ohwada, 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 2003.
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
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Frequently Asked Questions
Where can I watch Astro Boy for free?
You can watch Astro Boy online for free on CineFlixo. All 50 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 50 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?
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. It belongs to the Animation, Action & Adventure, Sci-Fi & Fantasy, Family, Comedy, 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 April 6, 2003 (2003). The series has since concluded its run.
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