After successfully returning to Earth on the renovated Stratos 4, the four main characters are visited by the Comet Blasters Chizuru Kubo and Annette Kerry, who bring them a shocking video. Meanwhile, Orbital Station 7 is in serious trouble... This two-episode OVA comes between the first and second seasons.
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Stratos 4 OVA SUB online, or you can even watch
Stratos 4 OVA DUB in HD quality. You can also find
Studio Fantasia anime on AniWatch website.