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A mysterious dome is found under the sea, that at first looks like the Moon crashed into the ocean. Inside the dome, they find duplicates of SHADO HQ personnel, using non-alien technology - cassette tape recorders - to imitate SHADO instructions to Moonbase and Skydiver.
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:
