The Search for Extraterrestrial Intelligence-S18/E14

 

For thousands of years, humankind has attempted to make contact with beings from beyond Earth. Now, in the 21st century, the search for extraterrestrial intelligence is ramping up like never before, with powerful new technologies allowing us to explore billions of stars across the universe. Are we on the verge of first contact?

The Whistleblowers-S18/E13

 

Crashed UFOs. Recovered alien entities. Secret programs. For decades, incredible claims have been made about an extraterrestrial presence on Earth–and the government has gone to great lengths to discredit them. Are we nearing the day when whistleblowers will finally be taken seriously–and their accounts proven true?

Unlocking The Stargates-S18/E12

 
For thousands of years, cultures around the world have held a belief in stargates through which beings have traveled to Earth from distant points in the universe and even other dimensions. Examining if such portals could truly exist, and if we obtain the key to unlocking the stargates, if we will find a cosmos teaming with life.

Mysteries of the Maya-S18/E11

 
Considered by many to be the greatest civilization in the history of the Americas, the Maya thrived for more than 2,000 years. Now, new evidence is being discovered that completely upends our understanding of this ancient culture... and might provide evidence that the Maya came in contact with extraterrestrial visitors.