BBC Earth

Seventy-one million years ago lived a teenage Albertosaurus - a faster, nimbler relative of T-Rex. She had to earn her place in a deadly, ferocious pack or risk starvation.

Ash and team battle rapids, storms and injury on a brutal final push to the ocean, paddling for 36 hours straight before reaching the Atlantic and completing their record-breaking journey.

Paddy McGuinness and Cherry Healey visit a factory producing half a million sausage rolls a day.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

Ash and team battle rapids, storms and injury on a brutal final push to the ocean, paddling for 36 hours straight before reaching the Atlantic and completing their record-breaking journey.

The retired footballer travels to the southern Utah desert after his kids accuse him of softness. They hike through the desert, but Deion's fear of snakes must soon be overcome.

Paddy McGuinness and Cherry Healey visit a factory producing half a million sausage rolls a day.

Seventy-one million years ago lived a teenage Albertosaurus - a faster, nimbler relative of T-Rex. She had to earn her place in a deadly, ferocious pack or risk starvation.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

Ash and team battle rapids, storms and injury on a brutal final push to the ocean, paddling for 36 hours straight before reaching the Atlantic and completing their record-breaking journey.

From freshwater jungle ponds to the dark depths of the open ocean, air breathing mammals have found remarkable ways to overcome the many challenges of a life in water.

Seventy-one million years ago lived a teenage Albertosaurus - a faster, nimbler relative of T-Rex. She had to earn her place in a deadly, ferocious pack or risk starvation.

Paddy McGuinness and Cherry Healey visit a factory producing half a million sausage rolls a day.

In the planet's most densely populated continent, animals live at extremely close quarters with people, from tigers making a home in town to elephants stopping traffic for food.

The retired footballer travels to the southern Utah desert after his kids accuse him of softness. They hike through the desert, but Deion's fear of snakes must soon be overcome.

Seventy-one million years ago lived a teenage Albertosaurus - a faster, nimbler relative of T-Rex. She had to earn her place in a deadly, ferocious pack or risk starvation.

Ash and team battle rapids, storms and injury on a brutal final push to the ocean, paddling for 36 hours straight before reaching the Atlantic and completing their record-breaking journey.

Bear Grylls is joined by Tom Arnold on an adventure through the mountains of Oregon. This adventure begins with a helicopter ride to an isolated forest.

Steve takes us into the dangerous world of crocodiles - one of nature's most fearsome predators - entering croc-infested territory escorted by an armed safari guide.

Robson takes football pundit Chris Kamara on a trip to North York Moors National Park. They take high tea on a steam train, overnight in a glamping pod and hunt for fossils.

Robson's in the Cairngorms, joined by Gail Porter. They cycle around Loch Malachie before trying to get a glimpse of ospreys in the wild. Poetry, fresh air and landscapes make for a restful weekend.

Get on board with a cool use for a Boeing 747's wings, which are now the roof of a California house, and step inside a theatre that rose like a phoenix from Industrial Revolution ashes.

Bear Grylls is joined by Tom Arnold on an adventure through the mountains of Oregon. This adventure begins with a helicopter ride to an isolated forest.

Robson takes football pundit Chris Kamara on a trip to North York Moors National Park. They take high tea on a steam train, overnight in a glamping pod and hunt for fossils.

Robson's in the Cairngorms, joined by Gail Porter. They cycle around Loch Malachie before trying to get a glimpse of ospreys in the wild. Poetry, fresh air and landscapes make for a restful weekend.

Bear Grylls is joined by Tom Arnold on an adventure through the mountains of Oregon. This adventure begins with a helicopter ride to an isolated forest.

Ash and team battle rapids, storms and injury on a brutal final push to the ocean, paddling for 36 hours straight before reaching the Atlantic and completing their record-breaking journey.

Seventy-one million years ago lived a teenage Albertosaurus - a faster, nimbler relative of T-Rex. She had to earn her place in a deadly, ferocious pack or risk starvation.

Steve takes us into the dangerous world of crocodiles - one of nature's most fearsome predators - entering croc-infested territory escorted by an armed safari guide.

Robson takes football pundit Chris Kamara on a trip to North York Moors National Park. They take high tea on a steam train, overnight in a glamping pod and hunt for fossils.

Robson's in the Cairngorms, joined by Gail Porter. They cycle around Loch Malachie before trying to get a glimpse of ospreys in the wild. Poetry, fresh air and landscapes make for a restful weekend.

Ash and team battle rapids, storms and injury on a brutal final push to the ocean, paddling for 36 hours straight before reaching the Atlantic and completing their record-breaking journey.