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SHADO engages in its first battle with the enemy. Sky One cripples an alien ship which crash-lands in a lake. Straker's team capture its pilot, a strange blue-skinned humanoid - and the grim secret behind the aliens' are revealed.
First Air Date : Sep 16, 1970
Last Air date : Mar 15, 1973
Episode : 26 Episode
Season : 1 Season
Runtime: 48 minutes
Studio: Associated Television
Country: United Kingdom, United States of America
Cast: Ed Bishop
Crew: