Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

The superstars of World Wrestling Entertainment's "SmackDown" brand collide each and every Friday on WWE Friday Night SmackDown.

A world-class roster of diverse male and female wrestlers give fans a new wrestling experience for the first time in 20 years.

When the path of free-spirited drug smuggler Max collides with JJ, an enigmatic outsider on the run, an unlikely friendship is formed. They're swept into a chaotic, high-stakes mission they never signed up for- trafficking highly enriched uranium across North Africa and the Middle East, with the CIA, MI6, and a global web of opposing forces closing in fast.

From the battlefields of World War I to the rugged Highlands of 18th century Scotland, two fated couples must defy the forces that seek to tear them apart, unfolding in surprising and unforeseen ways in this romantic saga that unfolds across time.

With Hawaii's four kingdoms divided by war, the ferocious warrior Ka\u02bbiana embarks on an epic mission to unite his people-as an existential threat approaches their shores.

Dexter Morgan awakens from a coma to find Harrison gone without a trace. Realizing the weight of what he put his son through, Dexter sets out for New York City, determined to find him and make things right. But closure won't come easy. When Miami Metro's Angel Batista arrives with questions, Dexter realizes his past is catching up to him fast. As father and son navigate their own darkness in the city that never sleeps, they soon find themselves deeper than they ever imagined - and that the only way out is together.

Earth is visited by an alien species that threatens humanity's existence. Events unfold in real time through the eyes of five ordinary people across the globe as they struggle to make sense of the chaos unraveling around them.

Follow a band of exiles on their monumental journey to save humanity and rebuild civilization amid the fall of the Galactic Empire.

The continuing story of Peacemaker, a vainglorious superhero/supervillain who believes in peace at any cost - no matter how many people he has to kill. After a miraculous recovery from his duel with Bloodsport, Peacemaker soon discovers that his freedom comes at a price.

When a tragedy disrupts her life, a teen moves in with her guardian's big family in a small town and learns new lessons about love, hope and friendship.

A weekly talent competition where an array of performers - from singers and dancers, to comedians and novelty acts - vie for a $1 million cash prize.