NASA's Unexplained Files
2012 - 2019| 6 seasons| IMDb 5.4
NASA's Unexplained Files (2012) is currently available in the UK on discovery+ and Discovery+. Last updated 20 January 2026.
NASA’S UNEXPLAINED FILES returns with more mysterious encounters, unusual discoveries and strange sightings, straight from NASA’s best and brightest. These are the true stories of unexplainable phenomena first observed by the most credible scientific organization in the world.
Streaming info last checked: 20 Jan 2026