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Series 5

James and the Giant Redwoods - Part One

James Aldred travels to California in search of the world's biggest trees.

• 28 mins

Series 5

James and the Giant Redwood - Part Two

James Aldred visits the Grove of Titans and climbs the world's tallest tree.

• 28 mins

Series 6

Drumming Down

Brett Westwood finds out why woodpecker numbers in the UK are both up and down.

• 28 mins

Series 6

Wood and Water

Brett Westwood finds out why conservationists are dropping logs in rivers and streams.

• 28 mins

Series 6

Lamprey

Brett Westwood discovers how the fortunes of Britain's lampreys could be improving.

• 28 mins

Series 6

Hedgehogs

Hedgehogs are in decline. Paul Evans separates the science from the sentimentality.

• 28 mins

Series 6

In Search of the Japanese Sika

Chris Sperring searches for sika deer and how they're fitting into the Dorset countryside.

• 28 mins

Series 7

Bird Wars on Malta

Matthew Hill investigates allegations of illegal bird hunting in Malta.

• 28 mins

Series 7

Quest for the World's Largest Butterfly

Mark Stratton visits Papua New Guinea to search for Queen Alexandra's Birdwing.

• 28 mins

Series 8

Islands of Ice and Fire

Sound recordist Chris Watson captures the dramatic sounds of Iceland's dynamic landscape.

• 28 mins

Series 8

Arctic Terns at 66 Degrees North

Wildlife sound recordist Chris Watson follows Arctic terns on their migration north.

• 28 mins

Series 8

In Search of Humpback Whales

Chris Watson travels to Iceland in search of humpback whales.

• 28 mins

Series 8

Bewitched by Dragonflies

When a dragonfly landed on him in 1985, it changed Ruary MacKenzie Dodds's life!

• 28 mins

Series 8

James and the Giant Atlas Cedars

Professional tree climber James Aldred visits Morocco to climb a giant Atlas cedar tree.

• 28 mins

Series 8

The Midland Brown Snake - Dead or Alive

Howard Stableford finds out how the midland brown snake is getting help to cross the road.

• 28 mins

Series 8

Bigfoot: Not a Bear

Matthew Hill is on the trail of possibly the world's most elusive creature, Bigfoot.

• 28 mins

Series 9

The Yoiker and the Landscape

Chris Watson travels to the Lofoten islands in Norway to record a traditional Sami yoiker.

• 28 mins

Series 9

James and the Peregrines

James Aldred follows the lives of a family of peregrines in his local quarry.

• 28 mins

Series 9

The Rainforest Canopy

Wildlife cameraman John Aitchison spends a month living in a Rainforest canopy.

• 28 mins

Series 9

The Fen Raft Spider

Chris Watson joins arachnologist Helen Smith in a quest to record the fen raft spider.

• 28 mins