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Since rumours of alien spacecraft emerged from Roswell, New Mexico in 1947, UFOs have increasingly been the subject matter of grainy, hand-held, out-of-focus 'proof'. Riddle of the Skies however presents the eyewitness accounts of distinguished scientists and astronauts.
First Air Date : Feb 02, 1999
Last Air date : Feb 16, 1999
Episode : 3 Episode
Season : 1 Season
Runtime: 60 minutes
Studio: Channel 4
Country: United Kingdom
Cast: