What on Earth? - Season 5 Episode 4

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

Series of investigative science documentaries.

Philippe Cousteau Jr., grandson of the legendary Jacques Cousteau, explores the most spectacular places - on the earth, inside the earth, and above...

Chris Jackson, Xand Van Tulleken and Aldo Kane take part in an extraordinary expedition to one of the world's most dangerous, spectacular and least...

Kate Humble joins a team of geologists at the Vanuatu archipelago to investigate some of the most active volcanoes in the world - and to predict if...

A groundbreaking expedition to the Arctic investigates the unknown world of icebergs, exploring the creation, life and death of these frozen...

Major real-life air disasters are depicted in this series. Each episode features a detailed dramatized reconstruction of the incident based on...

Spike Lee's award-winning documentary follows the events that preceded and followed Hurricane Katrina's catastrophic passage through New Orleans in...

Richard Hammond embarks on a global adventure to explore the world’s biggest structures and machines and discover how engineers build, maintain...

Two spaceships, one manned by benevolent Maximals, the other by evil Predacons, crash-land on a pre-humanoid planet while en route to Earth. Their...

Sheriff's deputy Rick Grimes awakens from a coma to find a post-apocalyptic world dominated by flesh-eating zombies. He sets out to find his family...

To carry out the biggest heist in history, a mysterious man called The Professor recruits a band of eight robbers who have a single characteristic:...

In a dystopia riddled with corruption and cybernetic implants, a talented but reckless street kid strives to become a mercenary outlaw — an...

Seven noble families fight for control of the mythical land of Westeros. Friction between the houses leads to full-scale war. All while a very...

Over the last ten years, technology has transformed almost every aspect of our lives before we've had time to stop and question it. In every home; on...

When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.