Gigantor (1964)

Action · Adventure · Animation

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.

IMDb rating: 7.0 (288 votes)
Seasons: 2
Streaming (US): Amazon Prime Video · Crunchyroll · The Roku Channel · Pluto TV · Plex · Plex Channel
Language: JA
Type: TV series

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Ratings refreshed Jul 3, 2026 · 2 seasons indexed

Cast

Seasons

Season 1 (1964)

5.24 avg 26 episodes 6.5 → 5.9 25 min avg

Rollercoaster

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	Struggle at the South Pole	6.5	26
2	Battle at the Bottom of the World!	6.0	19
3	Sting of the Spider!	7.7	15
4	Return of the Spider!	4.8	14
5	Spider's Revenge!	6.0	13
6	The Secret Valley!	5.9	13
7	The Diamond Smugglers!	5.1	14
8	Dangerous Doctor Diamond!	5.9	13
9	Force of Terror!	5.0	13
10	World in Danger!	1.8	15
11	Badge of Danger!	5.9	13
12	The Smoke Robots!	6.9	13
13	The Freezer Ray!	2.0	16
14	The Magic Multiplier	1.3	15
15	The Submarine Base	4.8	12
16	Treasure Mountain	5.0	11
17	The Mystery Missile	4.8	11
18	The Giant Cobra	6.0	11
19	The Great Hunt	5.1	11
20	The Deadly Web	6.1	11
21	The Atomic Flame	5.9	11
22	The Incredible Speed Machine	5.0	12
23	The Monster Magnet	6.6	11
24	Target: Jupiter	4.6	11
25	Trap at 20 Fathoms	5.7	11
26	Monster from the Deep	5.9	11

Season 2 (1964)

5.25 avg 26 episodes 6.5 → 3.1 24 min avg

Rollercoaster

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	Will the Real Gigantor Stand Up?	6.5	14
2	Ten Thousand Gigantors	6.0	11
3	The Plot to Seize Gigantor	3.8	11
4	The Space Submarine	5.1	11
5	Gigantor Who?	5.1	11
6	The Robot Olympics	6.6	12
7	The Crossbones Caper	6.0	11
8	Ransom at Point X	4.6	11
9	The Gypsy Spaceship	5.7	11
10	The Space Cats	3.5	15
11	Return of Magnaman	5.1	11
12	Vanishing Mountain	4.2	11
13	The Insect Monsters	5.1	11
14	The City Smashers	7.0	12
15	The Robot Firebird	1.9	14
16	Magnaman of Outer Space	6.1	11
17	The Robot Albatross	6.8	11
18	Battle of the Robot Giants	7.0	11
19	The Deadly Sting Rays	5.4	11
20	Gigantor and the Desert Fire	1.5	13
21	The Atomic Whale	4.9	11
22	The Secret Formula Robbery	7.5	11
23	The Evil Robot Brain	6.2	11
24	The Devil Gantry!	5.2	12
25	The Robot Arsenal!	6.6	13
26	Danger's Dinosaurs!	3.1	16

Gigantor (1964)

Cast

Seasons

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