Invasion of the Neptune Men
1961, Japanese. Directed by Koji Ota.
Astronomer Shinichi Tachibana has a secret identity as the superhero "Iron Sharp" and is well beloved by children. When they are attacked by a group of metallic aliens, Iron Sharp drives the aliens away. The resourceful Tachibana helps develop an electric barrier to block the aliens from coming to the Earth. After several losses by the aliens, they announce that they will invade the Earth, throwing the world into a state of panic.
- Runtime
- 1h 14m
- Post-credits
- None listed
- Language
- Japanese
- Rated
- Check local
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Where to watch Invasion of the Neptune Men
Invasion of the Neptune Men is streaming on Philo, AMC Plus, and YouTube TV in India.
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Tubi TVAvailability in India as of 14 November 2026. Streaming data by JustWatch.
Cast & crew
Details
- Released
- 19 July 1961
- Original title
- 宇宙快速船
- Country
- Japan
- Written by
- Shin Morita
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Invasion of the Neptune Men: quick answers
Is Invasion of the Neptune Men worth watching?
Invasion of the Neptune Men doesn’t have enough ratings for a verdict yet.
How long is Invasion of the Neptune Men?
Invasion of the Neptune Men runs 74 minutes (1h 14m).
Does Invasion of the Neptune Men have a post-credits scene?
None is listed for Invasion of the Neptune Men. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Invasion of the Neptune Men parents guide: is it suitable for kids?
No age rating is listed for Invasion of the Neptune Men yet.
Which OTT platform is Invasion of the Neptune Men on?
Invasion of the Neptune Men is streaming on Philo, AMC Plus, and YouTube TV in India. (Checked 14 November 2026.)
What movies are like Invasion of the Neptune Men?
If you liked Invasion of the Neptune Men, try Babylon 5: The Legend of the Rangers - To Live and Die in Starlight, Message from Space, Returner.
Who directed Invasion of the Neptune Men?
Invasion of the Neptune Men (1961) was directed by Koji Ota and stars Sonny Chiba, Shinjirō Ehara, Ryuko Mizukami.