Ruler: Master of the Mask - All Episodes

Hosted by a rotating cast of comedy greats, The Daily Show remains the go-to source for provocative satire, insightful interviews and an award-winning team of correspondents and contributors.

Tom Gleeson stars as the Taskmaster, with Tom Cashman his devoted assistant. Each week the two Toms set five comedians a range of ridiculous tasks designed to bamboozle brains and put funny bones to the test.

Who'll master the tasks? The cleverest clogs will score the most points from the Taskmaster, while bemusement and bafflement will be rewarded with the fewest points. At series' end, the comedian with the most points will be crowned Taskmaster champion.

Real-life mysteries. Investigative reporting. Justice. Dateline is the long-running, award winning newsmagazine bringing viewers stories ranging from compelling mysteries to powerful documentaries and in-depth investigations. Hosted by NBC News' Craig Melvin, each episode of Dateline: Secrets Uncovered incorporates the classic elements of drama and great storytelling: good guys, bad guys, conflict with the highest stakes, suspense and resolution. Hear the chilling tales directly from those most affected and involved, including investigators tasked with cracking the case and the families confronting tragedy. In every story we tell, we help the real people who lived the events share their journeys with you.

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.

Imagine a world where the global space race never ended. This thrilling "what if" take on history from Ronald D. Moore (Outlander, Battlestar Galactica) spotlights the high-stakes lives of NASA astronauts and their families.