History's Greatest Mysteries (2020)

S7E14 Foo Fighters: WWII Edition

Over Europe during World War II, American pilots encounter a terrifying new threat in the night sky—mysterious fireballs they dub "Foo Fighters." These glowing orbs reportedly zip along at speeds exceeding 200 mph, performing maneuvers that seem to break every known law of physics. The airmen are left shaken and baffled, with no explanation for what these fiery phenomena truly are.