Episode 1
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
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
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 4
After the 2011 Fukushima nuclear disaster, survivors reported seeing bright lights above the power plant. For some, the event upholds a long-held belief.
