5: Human Planet | How Earth Made Us

1: Avalanche | Dangerous Earth

Dr Helen Czerski looks at the anatomy of an avalanche. From shocking eyewitness footage from within an avalanche to detailed CT scans showing ...

1: Building Britain | Britain Beneath Your Feet

Dallas Campbell reveals how we can only understand the world around us by discovering the hidden wonders beneath our feet.

1: Deep Time | Men of Rock

Iain Stewart tells the story of James Hutton, the founding father of geology. This Scottish thinker overturned ancient beliefs about how and when ...

1: Three Billion Years in the Making | British Isles: A Natural History

Alan Titchmarsh travels Britain to discover why our islands are so diverse, peeling back the layers o...

2: Deserts, Dinosaurs and Volcanoes | British Isles: A Natural History

Alan Titchmarsh uncovers how the British Isles were formed and looks back to a time when dinosaurs roa...

2: Moving Mountains | Men of Rock

Iain Stewart finds out how gung-ho geologist Edward Bailey discovered that Scotland was once home to super volcanoes. Plus the story of uns...

3: The Big Freeze | Men of Rock

In the final episode of the series, Iain Stewart finds out about daredevil scientist Louis Agassiz, who first imagined the world had been gri...

4: Highlands | The Great British Countryside

Hugh Dennis and Julia Bradbury are in the Highlands of Scotland, Britain's wildest and oldest landscape. They explore a landscap...

Beneath the Yorkshire Dales | The Great British Countryside

Hugh Dennis ventures into Gaping Gill, a cave produced by limestone erosion.

Chalk cliffs | The Great British Countryside

High Dennis climbs the chalk cliffs on the South East coast of England.

Cliffhanger | Men of Rock

Dr Iain Stewart climbs a coastal sea stack and explains its geology.

Coastal Erosion | From Above

Crumbling into the sea - the Isle of Wight, from above.

Dartmoor granite tors | The Great British Countryside

Hugh Dennis explains the geological processes that caused the granite tors on Dartmoor.

Deep Down & Dirty: The Science of Soil

Documentary in which gardening expert Chris Beardshaw delves into the micro-world of soil to reveal what it is, how it works and why w...

Disruption to the ice age cycle | How Earth Made Us

Professor Iain Stewart explains how humans prevented the next stage of the ice age cycle.

Geology of the North and South Downs | The Great British Countryside

Geological demonstration of how the North and South Downs were created over millions of years.

Geology of the Yorkshire Dales | The Great British Countryside

Julia Bradbury explores the geology of the limestone pavement in the Yorkshire Dales.

Giant Ravines | From Above

Giant ravines are swallowing whole neighbourhoods. Watch the dramatic impact from above.

Hardraw Force | The Great British Countryside

Hugh Dennis visits a waterfall in the Yorkshire Dales that has created a gorge in the landscape.

Hinduism in Bali | Journeys into the Ring of Fire

Iain Stewart tours the Pacific Rim to discover how the rocks beneath our feet have shaped history. He visits awesome volcan...