Gigantor
鉄人28号
We checked 8 streaming services in India on 04 Jun 2026 at 08:13 IST
About
Gigantor is an American adaptation of the anime version of Tetsujin 28-go, a manga by Mitsuteru Yokoyama released in 1956. Jimmy Sparks controls a gigantic, powerful robot and uses it to fight crime. It debuted on U.S. television in 1964. As with Speed Racer, the characters' original names were altered and the original series' violence was toned down for American viewers.
Cast
Episodes
Season 1
Struggle at the South Pole!
Inspector Blooper, Jimmy, and Gigantor head for the South Pole to stop Dr. Cat's Meow, an evil genius who plans to take over the world starting with Antartica.
Battle At the Bottom of the World!
Thinking Dr. Cat's Meow is out of the way, the team leaves Antarctica, only to be attacked by Meow's robotic whale submarine, and a new robot, Flip Q Man, who captures Gigantor.
Sting of the Spider!
The Evil Captain Spider kidnaps Dr. Emeritus and brainwashes Inspector Blooper in an attempt to defeat Gigantor and gain control over a powerful new energy ray.
Return of the Spider!
The team feels the sting of Captain Spider when he offers to exchange Dr. Emeritus for the powerful energy ray "Super Elex," which would allow him to take over the world.
Spider's Revenge!
Captain Spider now has the Super Elex but there is still one thing preventing him from taking over the world: Dr. Emeritus, the only one capable of building another one to use against him.
The Secret Valley!
Forced to land in Australia, the team encounters General Von Q Ball, an old enemy of the Inspector's who has a new weapon in his arsenal - a swarm of robotic bees.
The Diamond Smugglers!
Jimmy, Inspector Blooper and Gigantor go to a world conference on robots in India and, disguised as holy men, encounter Dr. Diamond and his gang of deadly diamond smugglers.
Dangerous Doctor Diamond!
Dr. Diamond's hideout is discovered in the highest mountain range of the world, but it's protected by a herd of robotic bulls and a powerful torpedo rocket that freezes Gigantor in his tracks!
Where does Gigantor rank today?
Gigantor is #1525 on the CineFlixo Daily Streaming Charts today.
- Highest: #1525
- Top 10: 0 days
- Top 100: 0 days
Watch Gigantor Online Free — All Episodes in HD
Looking for a place to watch Gigantor online for free? You've landed on the right page. Gigantor is a well-rated Japonés animation and sci-fi & fantasy series from 1963 that you can stream right now on CineFlixo in high quality, no signup required.
About Gigantor
Gigantor is an American adaptation of the anime version of Tetsujin 28-go, a manga by Mitsuteru Yokoyama released in 1956. Jimmy Sparks controls a gigantic, powerful robot and uses it to fight crime. It debuted on U.S. television in 1964. As with Speed Racer, the characters' original names were altered and the original series' violence was toned down for American viewers. Across 2 seasons and 78 episodes, originally airing on Fuji TV.
Gigantor Cast and Characters
The cast features Kazue Takahashi (as Jimmy Sparks / Kaneda Shotaro), Kosei Tomita (as Inspector Blooper / Captain Otsuka), Minoru Yada (as Dr. Bob Brilliant / Professor Shikishima), Yuzuru Fujimoto, and Fuyumi Shiraishi. Their performances are a major reason Gigantor has built such a passionate audience.
Where to Watch Gigantor Online
CineFlixo lets you stream Gigantor online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.
▶ Watch Gigantor NowWhy People Are Watching Gigantor
Gigantor flies under the radar but it deserves your attention. What makes it work is 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 Gigantor
Where can I watch Gigantor online for free?
You can watch Gigantor 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 Gigantor have?
Gigantor has 78 episodes across 2 seasons. All episodes are available to stream right here on CineFlixo.
Is Gigantor good? What's the rating?
Gigantor holds a 7.3/10 rating based on 6 reviews — well above average.
Who is in the cast of Gigantor?
The main cast includes Kazue Takahashi, Kosei Tomita, Minoru Yada, and Yuzuru Fujimoto, plus a strong supporting ensemble.
Is Gigantor available in Japonés?
Yes — Gigantor was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Gigantor released?
Gigantor first aired in 1963.
Do I need an account to watch Gigantor on CineFlixo?
No. CineFlixo is free and you can watch Gigantor without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Frequently Asked Questions
Where can I watch Gigantor for free?
You can watch Gigantor online for free on CineFlixo. All 78 episodes across 2 seasons 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 Gigantor have?
Gigantor currently has 2 seasons and a total of 78 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 Gigantor about?
Gigantor is an American adaptation of the anime version of Tetsujin 28-go, a manga by Mitsuteru Yokoyama released in 1956. Jimmy Sparks controls a gigantic, powerful robot and uses it to fight crime. It debuted on U.S. television in 1964. As with Speed Racer, the characters' original names were altered and the origi… It belongs to the Animation, Sci-Fi & Fantasy genres.
In which language is Gigantor originally available?
Gigantor 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 Gigantor first released?
Gigantor first premiered on October 20, 1963 (1963). The series has since concluded its run.
All Seasons
Browse every season of Gigantor — 2 seasons in total
💬 Comments0
Join the conversation
Share your thoughts, rate episodes, and connect with other fans
Hey everyone! 👋 Welcome to the discussion.
Feel free to share your thoughts about this series — what did you love, what surprised you, which episodes are your favorites? 🎬
Got ideas for what we should add to CineFlixo? Want to suggest a series? Drop it here! We read every comment ✨
Similar Animation Shows
More series like Gigantor you may enjoy
★ 8.6JUJUTSU KAISEN
2020
★ 7.9Re:ZERO -Starting Life in Another World-
2016
★ 8.4Bleach
2004
★ 6.5My Wife Has No Emotion
2024
★ 8.5SPY x FAMILY
2022
★ 8.4Naruto
2002
★ 8.8Frieren: Beyond Journey's End
2023
★ 8.6The Apothecary Diaries
2023
★ 8.0Pokémon
1997
★ 8.6JoJo's Bizarre Adventure
2012
★ 8.7Hunter x Hunter
2011
★ 8.4Dragon Ball Z
1989
Recommended for You
Based on this series
