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The Crash

Episode number: 1

Overview: Philip Mantle, Britain's most renowned UFO investigator, attempts to discover what really happened that stormy night in the desert of Roswell, New Mexico in 1947

The Film

Episode number: 2

Overview: Philip Mantle recaps his 17-year investigation into the 16mm alien autopsy film unearthed in the '90s that added fuel to the Roswell mystery, and the man who allegedly discovered it

The Leaks

Episode number: 3

Overview: After decades of silence, startling new leaks thrust Roswell back into the spotlight

The Answers

Episode number: 4

Overview: Drawing on evidence old and new, Philip Mantle casts his verdict on one of the greatest mysteries of all time - is mankind alone or are there other intelligent lifeforms out there?