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Scene from Gigantor
Gigantor poster

Gigantor (1963)

J-drama 2 seasons 78 episodes 25 min Animation and Sci-Fi & Fantasy

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7.3

Synopsis

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.

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Cast

Production

Questions about the series Gigantor

What is Gigantor 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 origina…

How many seasons does Gigantor have?

Gigantor has 2 seasons, with 78 episodes in total.

Is Gigantor still running?

Gigantor has ended in 1965.

How long is each episode of Gigantor?

Each episode of Gigantor runs about 25 minutes.

Who stars in Gigantor?

The cast of Gigantor includes Kazue Takahashi, Kosei Tomita, Minoru Yada, Yuzuru Fujimoto and Fuyumi Shiraishi.

Which country is Gigantor from?

Gigantor is a J-drama, produced in Japan.

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Page updated on 09/17/2026.