Quick Answer
Gigantor is streaming on Amazon Prime Video, Crunchyroll. 96 episodes (~38h total watch time). Availability may vary by region.
Where to Watch Gigantor
Good news — Gigantor has official streams on Amazon Prime Video and Crunchyroll. We've got links for all of them, along with fallback search options.
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About Gigantor
Dr.Haneda was developing experimental giant robot warriors to fight the allies during the Second World War, but before his creations could see action, Allied bombs destroyed the facility and killed him. A decade later criminals discovered two of the surviving prototypes, #26 and 27 in the series, and used the remote controlled robots to commit a number of crimes. Young Shotaro Haneda, the twelve year old son of Dr.Haneda, did some investigating and discovered that the mob were hunting for the...
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch Gigantor legally?
Right now, Gigantor is on Amazon Prime Video, Crunchyroll. That said, anime licensing varies a lot by country — what's on Netflix in Japan might not be on Netflix in the US. If your go-to platform doesn't have it, try the other services listed above.
Is Gigantor on Netflix or Crunchyroll?
It's confirmed on Crunchyroll. Netflix availability depends on your region — some countries have it, others don't.
Is Gigantor available with an English dub?
Dub availability depends on the platform. Crunchyroll has been expanding their dubbed library a lot recently, and Funimation (now merged into Crunchyroll) historically had the biggest dub catalog. Check each platform's listing for Gigantor.
Can I watch Gigantor for free?
Crunchyroll offers a free ad-supported tier for some shows. Most other platforms require a subscription, but many offer free trials for new users. Tubi and Pluto TV occasionally have anime in their free rotation too.