Ummo: La España alienígena

Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

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

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.

This immersive series follows the world's most magnificent creatures, capturing never-before-seen moments from the heartwarming to the outrageous.

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.

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

A series of standalone documentaries powered by the unparalleled journalism and insight of The New York Times, bringing viewers close to the essential stories of our time.

Maritime mysteries—old and new—come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world.

Explore Marvel’s rich legacy of pioneering characters, creators and storytelling to reflect the world outside your window. Each documentary, helmed by a unique filmmaker, showcases the intersections of storytelling, pop culture, and fandom within the Marvel Universe.

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.

Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours filmed in full color like never before.

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