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Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.
Seasons
Episode 1
Messengers
54m
In 2008, sightings of strange lights in the sky over Central Texas attract media attention and ridicule. New radar data supports eyewitnesses' claims.
Episode 2
Believers
51m
In 1994, over 60 children at a Zimbabwe school claimed to have seen aliens. Years later, witnesses maintain their accounts, while others are skeptical.
Episode 3
The Broad Haven Triangle
53m
A close encounter at a children's school in a tiny Welsh village spurs a series of sightings. An astrophysicist theorizes about aliens and water.
Episode 4Latest episode
Lights Over Fukushima
47m
After the 2011 Fukushima nuclear disaster, survivors reported seeing bright lights above the power plant. For some, the event upholds a long-held belief.
