Once Upon a Time in Northern Ireland - Season 1

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Before he was Hulk Hogan, he was Terry Bollea. Uncover the man behind the legend in this unfiltered documentary featuring his very last interview.

Porn has gone mainstream; the question is, can we handle it? This exploration of the intersection of sex and technology is told through the stories of the people whose lives are defined by the current explosion of internet porn-whether they're creating it, consuming it, or both.

In this true-crime documentary, a cult expert and filmmaker infiltrate a polygamist sect to expose a self-proclaimed prophet and bring him to justice.

Honoring service members whose courage merited the awarding of a Medal of Honor, this docudrama series re-creates their inspiring true stories.

An in-depth look at the history and pop cultural significance of horror films.

Explore the surprising things we know (and don’t know) about why people are the way they are through expert interviews, rare footage from historical experiments, and brand-new, ground-breaking demonstrations of human nature at work.

Featuring rare footage and interviews with CIA insiders, this edge-of-your-seat documentary series traces the epic hunt for Osama bin Laden.

Conor McGregor's brutal strikes and trash-talking swagger made him the UFC's biggest draw. This rousing documentary series follows his dynamic career.

Death row inmates convicted of capital murder give a firsthand account of their crimes in this documentary series.