UFOs: The Lost Evidence

Nazi UFO Secrets: Evidence reveals the development of secret Nazi weapons shortly after an alleged UFO crashed in Germany - but were the US government also involved? (S2, ep 6)

UFOs and Native Americans: Native American myths steeped in the otherworldly go back thousands of years, but new evidence and modern-day UFO sightings have experts rethinking. (S2, ep 7)

UFOs vs the Royal Airforce: The Royal Airforce has been encountering UFOs on a regular basis since World War II, but the British government has consistently denied the sightings. (S2, ep 8)