The BEST episodes of Unsealed: Alien Files season 4
Every episode of Unsealed: Alien Files season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Unsealed: Alien Files season 4!
Investigate released documents regarding alien and UFO encounters, made accessible to the public in 2011 by the Freedom of Information Act. We investigate mass UFO sightings, personal abductions, government cover-ups and breaking alien news from around the world.
#1 - Summer of Saucers
Season 4 - Episode 13 - Aired 8/1/2015
In 1947, a series of UFO sightings triggers an unprecedented analysis that propels the UFO phenomenon on to the world stage. We investigate how the U.S. Air Force comes to the stunning conclusion that UFOs may not be from Earth.
Watch Now:Amazon#2 - UFOs From Earth
Season 4 - Episode 12 - Aired 8/1/2015
Where do UFOs come from? Some people believe they're from distant galaxies, wormholes, or other planets within the Milky Way. Join us as we investigate the existence of UFOs and determine the possibility that they may be from Earth
Watch Now:Amazon#3 - Police Sightings
Season 4 - Episode 14 - Aired 8/1/2015
UFO sightings happen almost every day. But in the court of public opinion the most credible witnesses come from law enforcement. Join us as we investigate the most important police sightings of UFOs.
Watch Now:Amazon#4 - Seeing Is Believing
Season 4 - Episode 6 - Aired 5/8/2015
For decades, governments around the world have investigated UFO sightings, often times under an umbrella of secrecy. How are these top-secret studies conducted? Who is called upon to analyze the evidence?
Watch Now:Amazon#5 - Mass Sightings
Season 4 - Episode 16 - Aired 9/1/2015
Many famous UFO sightings occur in remote locations with just a single eyewitness. But some sightings have taken place over large cities with hundreds of witnesses.
Watch Now:Amazon#6 - Finding Aliens
Season 4 - Episode 10 - Aired 6/5/2015
Rapid advancements in science and technology have given mankind unprecedented access to distant galaxies that could harbor life. And some scientists believe that to find alien life we need look no further than our own backyard.
Watch Now:Amazon#7 - UFO Photos
Season 4 - Episode 11 - Aired 8/1/2015
Photographic evidence of Unidentified Flying Objects helped usher in the modern UFO phenomenon. As the world continues to evolve into the digital age, more and more people are capturing images in the sky that they are unable to explain.
Watch Now:Amazon#8 - Alien Communications
Season 4 - Episode 18 - Aired 12/1/2015
Scientists and Ufologists are scouring the vast regions of space for signs of extraterrestrial life. But if it takes millions of years for light from distant stars to reach Earth, how long could it take for aliens to answer our call?
Watch Now:Amazon#9 - The Shoot Down Order
Season 4 - Episode 5 - Aired 5/8/2015
Since the Jet Age, fighter pilots have been scrambled to intercept UFOs in our skies, but what happens when pilots are sent a Shoot Down Order and can't complete their mission?
Watch Now:Amazon#10 - The 1952 Wave
Season 4 - Episode 2 - Aired 4/24/2015
In the spring of 1952, UFO sightings go off the charts. For years, the U.S. government has told the postwar public that UFOs do not exist, but behind the scenes, U.S. Air Force officials are divided.
Watch Now:Amazon#11 - Artificial Alien Intelligence
Season 4 - Episode 19 - Aired 9/1/2015
Some scientists believe the survival of mankind hinges upon the revolutionary science of Artificial Intelligence. Biological life may just be an evolutionary stepping-stone in a universe dominated by Artificial Alien Intelligence.
Watch Now:Amazon#12 - First Contact
Season 4 - Episode 20 - Aired 12/1/2015
For decades, scientists have been searching for proof that extraterrestrials exist. But just where does alien life exist? And what does it look like? Join us as we investigate just how close we are to First Contact.
Watch Now:Amazon#13 - Unwelcome Visitors
Season 4 - Episode 8 - Aired 5/22/2015
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.
Watch Now:Amazon#14 - Alien Journeys
Season 4 - Episode 9 - Aired 5/29/2015
In order to survive mankind must find a way to navigate the galaxy. Alien encounters have offered a possible glimpse into the secrets of interstellar flight, but how would extraterrestrials know how to navigate the vast regions of space?
Watch Now:Amazon#15 - The Freedom of Information Act
Season 4 - Episode 3 - Aired 5/1/2015
In 1969, the U.S. government officially announces it will stop investigating UFOs, but declassified documents reveal that multiple government agencies have been hiding important UFO sightings for decades.
Watch Now:Amazon#16 - Inside UFOs
Season 4 - Episode 7 - Aired 5/15/2015
Alien abductions are the only types of encounters in which eyewitness testimony can reveal details about the inside of UFOs. Details that can help us understand how aliens live and what they want from the human race.
Watch Now:Amazon#17 - Second Skin
Season 4 - Episode 1 - Aired 4/24/2015
Many experts believe aliens have visited the Earth for thousands of years, but if we can't survive space travel without a protective suit, how can they? Are some aliens mere shells or clones with an artificial consciousness?
Watch Now:Amazon#18 - Mars, the Final Frontier
Season 4 - Episode 17 - Aired 9/1/2015
Scientists have never been closer to proving that life once lived on Mars. But is it still there? And if so, how has it evolved? Join us as we investigate the red planet and the possibility that alien life may live within our own galaxy.
Watch Now:Amazon#19 - The Space Force
Season 4 - Episode 4 - Aired 5/1/2015
Since the early 1960s, we've experimented with how to travel off planet Earth. Many experts believe America has operated a secret Space Force for decades, with ultra high-tech ships designed for missions beyond Earth's orbit.
Watch Now:Amazon#20 - Space Shuttle Encounters
Season 4 - Episode 15 - Aired 8/1/2015
Between 1981 and 2011, NASA's Space Shuttles flew 135 missions. The Space Shuttle cameras, manned and unmanned, have recorded astounding footage of UFOs that many experts find almost impossible to explain.
Watch Now:Amazon