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Amazon Video
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Prices last updated October 7, 2026. Pricing and availability may vary by region.
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Season 1 Episodes
6 episodes
1
Mysterious Flying-Saucer Invasion! Sky Knight Takes Off!
2
Appearance of the Fortress Island! Metropolitan X's Critical Moment!
3
The Invasion's Evil Influence! The G-Reactor Won't Operate!
4
The Aliens' Trap!
5
Extreme Offense and Defense! Solving the Mystery of Element X!
6
Super-Weapon Sortie! Battle at Earth's Final Hour!