7/26 Series about Britain and Ireland's nature and wildlife looks at the masters of the skies.
5/6 As winter draws in at the sanctuary, Brolga makes a life-changing decision.
2/7 How do polar predators face the challenges of hunting in the most seasonal place on Earth?
2/6 A look at some extraordinary feathered dinosaurs which have only just been discovered.
Nicholas Crane and the team visit the coastal areas of Blackpool and Morecambe Bay.
3/3 Richard Hammond investigates the crucial role temperature plays in all weather.
2/3 The team strikes out from base camp to track down tigers throughout Bhutan.
1/3 Dara discovers the secret of growing fruit and veg without any soil.
3/6 The steam railway gets overheated and the mountain team battles the midges.
1/6 New finds from Africa reveal some of the most spectacular dinosaurs ever known.