Season 4 Episode
- Season 4 Second Skin
- Season 4 The 1952 Wave
- Season 4 The Freedom of Information Act
- Season 4 The Space Force
- Season 4 The Shoot Down Order
- Season 4 Seeing Is Believing
- Season 4 Inside UFOs
- Season 4 Unwelcome Visitors
- Season 4 Alien Journeys
- Season 4 Finding Aliens
- Season 4 UFOs Photos
- Season 4 UFOs From Earth
- Season 4 Summer of Saucers
- Season 4 Police Sightings
- Season 4 Space Shuttle Encounters
- Season 4 Mass Sightings
- Season 4 Mars, the Final Frontier
- Season 4 Alien Communications
- Season 4 Artificial Alien Intelligence
- Season 4 First Contact
Unsealed: Alien Files - Season 4 Episode 8 Unwelcome Visitors
6.70 20 minutes If aliens have visited Earth, why are they here and what are they truly after? Investigations have revealed the possibility that aliens are interested in experimenting on not only the human body, but the human mind as well.
