
Wonders of the Celtic Deep
A landmark BBC natural history series that explores the astonishing diversity of life beneath the waves off the coast of Wales.
- 2021-2022
- 1 season
- Documentary
A landmark BBC natural history series that explores the astonishing diversity of life beneath the waves off the coast of Wales.
Season 1 Episode Guide
4 Episodes 2021
Episode 1
Coasts: Life on the Edge
60 mins
Follow the unpredictable and ever-changing life of those who find themselves at the edge of where the land meets the sea.

Episode 2
Shallow Seas: A Mythical Kingdom
60 mins
The shallows are home to hidden dramas and fairytale creatures.

Episode 3
The Deep: Into the Unknown
240 mins
From giant fin whales to wandering basking sharks, take a deep breath and descend to the uncharted territory of the deep.

Episode 4
Heroes of the Celtic Deep
The need to protect our precious natural world in the face of climate change has never been greater.
