E1
Will the Real Gigantor Stand Up?
Where to watch
Amazon Prime Video
Crunchyroll
Amazon Prime Video with Ads
The Roku Channel
Pluto TV
Plex
Plex Channel
Amazon Prime Video Free with Ads
Availability shown for United States · rights vary by countrySeasons & Episodes
E2
Ten Thousand Gigantors!
E3
The Plot to Seize Gigantor!
E4
The Space Submarine
E5
Gigantor Who?
E6
The Robot Olympics!
E7
The Crossbones Caper!
E8
Ransom at Point X!
E9
The Gypsy Spaceship!
E10
The Space Cats!
E11
The Return of Magnaman!
E12
Vanishing Mountain!
E13
The Insect Monsters!
E14
The City Smashers!
E15
The Robot Firebird!
E16
Magnaman of Outer Space!
E17
The Robot Albatross!
E18
Battle of the Robot Giants!
E19
The Deadly Sting Rays!
E20
Gigantor and the Desert Fire!
E21
The Atomic Whale!
E22
The Secret Formula Robbery!
E23
The Evil Robot Brain!
E24
The Devil Gantry
E25
The Robot Arsenal!
E26
Danger's Dinosaurs!
Cast
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Gigantor — streaming FAQ
Which OTT platform streams Gigantor?
Gigantor is streaming on Amazon Prime Video, Crunchyroll and The Roku Channel in United States. It's not currently on Netflix.
Is Gigantor on Netflix?
No, Gigantor is not on Netflix in United States as of September 2026. It's currently on Amazon Prime Video and Crunchyroll.
Is Gigantor on Amazon Prime Video?
Yes — Gigantor is included with an Amazon Prime Video subscription in United States as of September 2026.
Where can I watch Gigantor for free?
Gigantor is available to stream free (with ads) on The Roku Channel and Pluto TV in United States.
How many seasons are in Gigantor?
Gigantor has 2 seasons in total (78 episodes). The series concluded in 1965.
Are all episodes of Gigantor out yet?
Yes — all 78 episodes across 2 seasons of Gigantor are out and available to stream.
Is there a Season 3 of Gigantor?
No — Gigantor ended after 2 seasons, so there is no Season 3.
