Unidentified: Inside America's UFO Investigation: Season 2, Episode 4

2 - 4: Planetary Threat

In an international UFO hotspot, Lue Elizondo uncovers exclusive video of a glowing orb recorded recently by an airline pilot at 35,000 feet and investigates possible connections to secret technology related to the USSR, plus a shocking aerial battle between a jet fighter pilot and an UFO. Local people reveal an ancient connection, as high-ranking officials drop a Project Blue Book bombshell. The planetary threat of UFOS is explored.