A top-secret undercover investigator known as the Savant infiltrates online hate groups to take down the most violent extremists in the United States.

Mike and Warren Fletcher make marine and archaeological discoveries.

Declassified is an American television series produced by Ten Worlds Productions on The History Channel that originally aired on November 9, 2004....

Conspiracy theories have been around for many years, but they have a lot in common. The people who believe in it often distrust the plans of the...

Most people think they know everything about cows: They stand around in fields. They eat grass, moo every now and then and of course they give milk....

Masters of American Music is a multi-award-winning television series, as entertaining and memorable as it is educational, it is a must have for any...

Guy Martin trains as a fighter pilot for the Battle of Britain and a possible dogfight with a Messerschmitt.

In three gripping instalments, 'Secrets of a Psychopath' recounts the facts behind the most complex and surprising murder to come before the courts...

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

Explores WWII from Germany's invasion of Poland through the atomic age, examining pivotal battles, wartime leaders like Churchill and Roosevelt, and...

Motoring programme featuring reviews of and reports about cars of all types.

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.

Come one, come all to The Circus. This real-time documentary series pulls back the curtain on the current political stories, revealing the intense,...

This compelling series investigates the motives and m.o. of female murderers. While males are often driven by anger, impulse and destruction, women...

An insider's look at the engineering and scientific miracles behind the things that form the modern world.

Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours...

Doctor Who Confidential is a documentary to complement the revival of the long-running British science fiction television series Doctor Who. Each...

Consistently stunning documentaries transport viewers to far-flung locations ranging from the torrid African plains to the chilly splendours of icy...

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

Through bodycam footage, texts and interviews with loved ones, this documentary investigates the horrifying murder of four University of Idaho...