Deep Down & Dirty: The Science of Soil

01: 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 ...

02: 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 ro...

Cliffhanger | Men of Rock

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

01: 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...

05: Human Planet | How Earth Made Us

Series in which Professor Iain Stewart looks at how geology has shaped human history. He explores the newest force, humans, whose impact...

04: 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 landsca...

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...

Coastal Erosion | From Above

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

01: 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...

Tar sands | How Earth Made Us

Professor Iain Stewart discusses tar sands, one of the more complicated ways of extracting oil.

Hardraw Force | The Great British Countryside

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

Geology of the Yorkshire Dales | The Great British Countryside

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

Human interventions in the water cycle | How Earth Made Us

Professor Iain Stewart investigates the ways that humans have intervened in the water cycle.

03: 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 gr...

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.

Swallowed by a Sinkhole | Horizon

Professor Iain Stewart travels to Florida to investigate sinkholes, and why the geology of this state makes it the sinkhole capital of the ...

Lyme Bay | Countryfile

Countryfile is in Lyme Bay where the rugged west Dorset and east Devon coastlines meet. Julia Bradbury is exploring its rich geological history, and M...

02: 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 un...

Beneath the Yorkshire Dales | The Great British Countryside

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

Giant Ravines | From Above

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