On October 21, 1978, 20-year-old pilot Frederick Valentich took off on what should have been a routine flight over Australia’s Bass Strait. But after reporting strange lights and an unidentified object hovering above his plane, Valentich vanished without a trace. In this episode, we’ll recreate Frederick’s final flight, following his journey minute by minute as we explore the details of his disappearance. Was it an alien encounter or a tragic accident? Join us as we investigate witness accounts, dive into the most popular theories—from UFO sightings to government cover-ups—and unravel one of the most perplexing mysteries in aviation history.