Hidden Origins

An investigative journalist pursuing a political conspiracy known as the Octopus is found dead in his hotel room. Decades later, new details emerge.

An FBI cold case that has laid dormant for 70 years, leads a group of world-renown investigators on the ultimate manhunt to finally answer the question: Did Adolf Hitler survive World War II?

Thirty years after the release of his film JFK (1991), filmmaker Oliver Stone reviews recently declassified evidence related to the assassination of President John F. Kennedy, which took place in Dallas on November 22, 1963.

The Secret Rulers of the World was first shown on Channel 4 in April 2001. The five-part documentary series accompanied creator Jon Ronson's book 'Them: Adventures with Extremists', which covered similar topics and described many of the same episodes. Both the series and book detail Ronson's encounters following theorists and activists residing outside political, religious, and sociological norms.

A look at current events like UFO's and 7/7.

After examining evidence both old and new, the team questions O.J.’s role in the crimes. Was he involved in these murders…or was another person was responsible? Dr. Henry Lee, a forensics expert from the original investigation, discusses the confounding details and problems with the preliminary evidence collection from the crime scene, and what impact that may have had on the trial.

Jamie Theakston uncovers the startling truth behind great myths, historical legends, conspiracy theories, ancient treasures, lost civilisations and war time secrets.

Climate change, the Antichrist, the secret world order, World War III. Here are some of the themes of the massive The New Apocalypse - Mankind's Last Exodus trilogy. Grann paints a chilling vision of the future: the planet and humanity are facing major changes: ecological, material and spiritual catastrophe could be just around the corner. Can we make the right choices and take our destiny into our own hands, or has someone else predetermined everything?

Joost Engelberts investigates how a conspiracy about satanic ritual abuse can escalate into a socially explosive story. Who are the people involved? What exactly is being alleged? And how can a local event grow into a national phenomenon?

Explore the origins, rise and social impact of QAnon, whose story has been told to the public one outrageous headline at a time. A comprehensive investigation into the who, what, and why of the viral movement.

Have you ever wondered what goes on behind the scenes of the most legendary monuments and powerful organizations in the United States? America’s Book of Secrets lifts the veil of mystery, giving you unparalleled access to historical narratives and insider information previously hidden from the public. Through in-depth research and exclusive channels, this series delves into a variety of familiar but enigmatic American institutions, from the FBI and the Pentagon to Fort Knox and Area 51. Go beyond the locked doors and security checkpoints of government agencies, famous landmarks and stealthy societies to glimpse the hidden worlds you were never intended to see.

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's most incredible triumphs, sensational crimes and bizarre encounters.

From crippling payday loans to cars that cheat emissions tests, this investigative series exposes brazen acts of corporate greed and corruption.

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

With series creator Lauren S. Hissrich as your guide, take an in-depth journey into the stories and themes powering the first season of The Witcher.

Doctor Who Confidential is a documentary to complement the revival of the long-running British science fiction television series Doctor Who. Each episode was broadcast on BBC Three on Saturdays, immediately after the broadcast of the weekly television episode on BBC One. The running time of the first two series was 30 minutes, being extended to 45 minutes in the third. BBC Three also broadcast a cut-down edition of the programme, lasting 15 minutes, shown after the repeats on Sundays and Fridays and after the weekday evening repeats of earlier seasons.

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.

Noted Harvard scholar Henry Louis Gates, Jr. has been helping people discover long-lost relatives hidden for generations within the branches of their family trees. Professor Gates utilizes a team of genealogists to reconstruct the paper trail left behind by our ancestors and the world’s leading geneticists to decode our DNA and help us travel thousands of years into the past to discover the origins of our earliest forebears.

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.

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.