Contains:
1. ARE WE ALONE? Could the bizarre, hellish worlds of our solar system actually harbor alien biology? To solve sciences greatest mystery, explorers venture to the strangest, harshest regions of our own planet. From poisonous hot springs to desolate mountaintop glaciers, the clues they unearth could open a window to alien life. Join astrobiologists as they explore the most obscure regions on Earth.
2. UFO's OVER EARTH - Do UFOs exist? Every year there are thousands of UFO sightings in the U.S. but no way to credibly investigate their authenticity. The Air Force no longer looks into UFO reports and local authorities don't have the equipment or expertise to examine them. MUFON (The Mutual UFO Network) Rapid Response Team, the most credible, scientifically sound and mobile tactical UFO investigation unit in the world, will show the latest evidence.
3. ALIEN ENCOUNTERS: THE INVASION - Do aliens exist? What do we do if we encounter them? This series showcases the extraordinary scientists who are currently grappling with extraordinary questions about alien life including: what will aliens really look like? How will they sound? What might their worlds look like? And, of course, will they come in peace?
4. NASA's UNEXPLAINED FILES - Mysterious flying objects, unexplained disappearances, species invasions a swirl of suspicion has circled our planet for decades, but few definitive answers have been offered. This series combs through hours of evidence, interviews, and theories that attempt to explain the unexplained. From astronauts to abductees, a variety of sources submit film footage and first-hand testimonies to be examined in search for the truth.