Medical Emergency - Season 4

The Curse of Oak Island documents brothers Rick and Marty Lagina as they pursue their lifelong dream of solving more than a 220-year old Oak Island mystery. For over two centuries, teams of searchers, including Franklin D. Roosevelt, have attempted to crack the code that will unearth the treasure believed to be buried on the small island off the coast of Nova Scotia. Armed with the knowledge of those that came before them, the muscle of heavy machinery and decades of engineering know-how, the Lagina's and their partners may be closer than anyone in history to finding the treasure that has so far claimed the lives of six men.

Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode in this hit History series gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate. Did intelligent beings from outer space visit Earth thousands of years ago?

When a secret prison suffers a mysterious explosion that allows the nation's most violent serial killers to escape, a former profiler is thrust back into a thrilling game of cat and mouse. Alongside a team of soldiers, spies and special agents, she has no choice but to track down and recapture these dangerous criminals… before they kill again.

In NCIS: Origins, young Leroy Jethro Gibbs starts his career as a newly minted special agent at the fledgling NCIS Camp Pendleton office where he forges his place on a gritty, ragtag team led by NCIS legend Mike Franks.

Tracker features lone-wolf survivalist Colter Shaw, who roams the country as a "reward seeker," using his expert tracking skills to help private citizens and law enforcement to solve all manner of mysteries while contending with his own fractured family.