World's Most Unexplained
Flight 191
Season 1 Episode 4
A look at some of the world's most strange unexplained phenomena. Since the 1950s, multiple air disasters have had one thing in common - flight number 191. Is it a coincidence, or something more sinister?
World's Most Unexplained airs on Sky History 2 HD at 4:00 AM, Wednesday 11 March.
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