
About this season
Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.
Episodes (4)

1. Messengers
4.0Aired 27 September 2023 • 54 min
In 2008, sightings of strange lights in the sky over Central Texas attract media attention and ridicule. New radar data supports eyewitnesses' claims.

2. Believers
4.0Aired 27 September 2023 • 51 min
In 1994, over 60 children at a Zimbabwe school claimed to have seen aliens. Years later, witnesses maintain their accounts, while others are skeptical.

3. The Broad Haven Triangle
4.0Aired 27 September 2023 • 53 min
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.

4. Lights Over Fukushima
4.5Aired 27 September 2023 • 47 min
After the 2011 Fukushima nuclear disaster, survivors reported seeing bright lights above the power plant. For some, the event upholds a long-held belief.