UFOs Declassified

This compelling new series, exclusive to Yesterday, opens up recently de-classified, top secret government files to investigate one of the great unanswered questions of our time: do UFOs, and extra-terrestrial beings, really exist?

Series 1 | Episode 5

Military secrets, little grey men, spacecraft debris - 'Roswell' is perhaps the most famous UFO incident of all time. This controversial event is probed here.

UFOs Declassified

Series 1 | Episode 4

Hear about the hushed-up instances where fighter pilots have been sent to intercept enemy aircraft - only to encounter unearthly flying machines.

UFOs Declassified

Series 1 | Episode 6

Confidential UFO encounters are exposed as secret government files are opened up. A look at the eerie sightings of flying saucers that airline pilots have reported.

UFOs Declassified

Series 1 | Episode 3

What were the silvery objects that hovered over LA in 1942? The compelling investigative series examines hitherto secret files to probe the existence of aliens.