Movie availability guide
Invasion of the Neptune Men
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.
1961 3.1/10 community score 1h 14m Released
- Science Fiction
- Action
- Adventure
Viewing market
Country-level availability
Where to watch in United States
14 platforms currently listed across all viewing options
Data checked 18 Oct 2026, 00:34 UTC
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7Streaming providerPhiloNo linked platform guide yetDetails unavailable Streaming providerAMC Plus Apple TV channelNo linked platform guide yetDetails unavailable Streaming providerAMC+ Amazon ChannelNo linked platform guide yetDetails unavailable Streaming providerAMC+No linked platform guide yetDetails unavailable Linked platform guideYouTube TVPlatform guideView details Streaming providerAMCNo linked platform guide yetDetails unavailable Streaming providerShout! Factory Amazon ChannelNo linked platform guide yetDetails unavailable
Free
1Streaming providerHooplaNo linked platform guide yetDetails unavailable
Free with ads
6Streaming providerThe Roku ChannelNo linked platform guide yetDetails unavailable Streaming providerShout! Factory TVNo linked platform guide yetDetails unavailable Streaming providerYouTube FreeNo linked platform guide yetDetails unavailable Streaming providerPlexNo linked platform guide yetDetails unavailable Streaming providerPlex ChannelNo linked platform guide yetDetails unavailable Linked platform guideTubi TVRelated brand guideView details
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