Season 1

Ben travels to Oregon to meet with Kevin Day, a former chief radar officer for the Navy and hear his story; Kevin explains that,during a routine defense exercise, he noticed strange blips on his radar and instructed his pilots to investigate.

Ben Hansen travels to UFO crash sites in America and investigates how these extraterrestrial incidents are all linked to one another and how the military tried to cover up the evidence.

A startling, new report claims a prominent astrophysicist worked on an aircraft reverse-engineered from the parts of downed UFOs. Ben Hansen aims to find out how the U.S. government got its hands on alien technology and where it might be hiding it.

Ben Hansen heads down to Florida to investigate a woman’s claim that an extraterrestrial approached her in her backyard. He wonders if this highly credible sighting is connected to a similar 1955 incident known as the Kelly-Hopkinsville Encounter.

In 1997, over 20,000 people witnessed bright lights hovering over Phoenix, Arizona. Despite the numerous claims, the U.S. government refused to acknowledge the event. Ben Hansen launches an investigation to find out how these mass UFO sightings are covered up.

While thousands of people witness UFOs every year, only a handful claim to have been abducted. Piles of evidence corroborate their stories, yet they are not taken seriously. Ben Hansen sets out to discover exactly why these claims are swept under the rug.

The small town of Dulce, New Mexico, may harbor one of America’s darkest secrets – an underground alien base. Ben Hansen travels to New Mexico to figure out if the rumors are true and uncovers multiple reports of UFO sightings, alien abductions and more.

Evidence of a possible extra terrestrial breeding program sends Ben Hansen to the Bay Area, San Francisco, California, in search of answers about alien-human hybrids. He suspects there may be a link to the Betty and Barney Hill case, one of the world’s most famous abduction stories.