BBC Earth

Steve gets strangled by a python on a night-time river expedition, climbs a 40-metre tree and finds out why our thirst for palm oil is threatening bears and orangutans.

Gregg Wallace visits the biggest tortilla factory in Europe. The Coventry site covers more than 21,000 square meters, the size of three football pitches, and makes 60,000 tonnes of snacks every year.

Mount Nyiragongo in the Democratic Republic of Congo erupts. It engulfs the nearby city of Goma with lava, taking thirty-three lives and destroying almost four-thousand homes.

Chip and Carol Hailstone combat brutal conditions on a critical hunt to replenish the family's food supply. Sue Aikens utilizes her time in Chena to upkeep and maintain the property's structures.

Ben travels to the vast forests of the Rhodope Mountains in Bulgaria to join Miriam and her husband Peter, a couple who have chosen life as nomads, hiking through some of the world's most striking wildernesses. They are educated, unemployed and homeless - and it's just the way they like it.

Though the ancient powers have endured for centuries, their destruction is close at hand. However, some will leave lasting legacies that will continue to shape the world long after their downfall.

Gregg Wallace visits the biggest tortilla factory in Europe. The Coventry site covers more than 21,000 square meters, the size of three football pitches, and makes 60,000 tonnes of snacks every year.

Chris Horsley heads to Mount Etna, Europe's largest and most active volcano, as it experiences a period of heightened activity and examines the events that led up to the eruptions.

As a pandemic sweeps the globe, Alaskans face strange times in daylight's return as they face an entirely new set of problems.

Ben visits the vast wilderness of North West Canada to meet Jeff and Rose and their five daughters, a family of adventurous off-gridders who rely on hunting big-game animals to survive.

Tony enters tombs that have been sealed shut for thousands of years, meets mummies, holds an Ancient Egyptian prime minister's heart and discovers hieroglyphs only ever seen by the ancient Egyptians who created them.

Gregg Wallace and Cherry Healey get special access to a factory that makes as many as a hundred iconic yellow diggers every single day. When he was a boy, like many a mucky child in the sand pit, Gregg used to play with toy diggers.

Brits now eat 3 million takeaways a day. Journalist Nikki Fox teams up with scientists at Liverpool John Moores University to run a unique experiment. Fifteen volunteers eat nothing but takeaways for two weeks, and undergo a barrage of tests, from blood sugar and body fat to gut bacteria and mental sharpness.

Alaskans venture into the open landscape to seize the warming temperatures of spring.

Ben joins fellow Brit Lucy, her husband Tim and their two daughters, a family who traded in their comfortable South London home for a yurt on a woodland river on New Zealand's North Island.

In Tennessee, a violent tornado touches down in downtown Nashville, interrupting a live news broadcast and raking through the city. At the Hamma Hamma Falls, a kayaker races to rescue his friend from a terrifying ordeal above a 60-foot waterfall. Two weather enthusiasts get more than they bargained for when a bolt of lightning fries their car, with them inside.

Simon Reeve battles his way across the Congo, braving thick jungle and tropical swamps in search of the people and the wildlife who make their home in Africa's greatest rainforest.

Chris Horsley heads to Mount Etna, Europe's largest and most active volcano, as it experiences a period of heightened activity and examines the events that led up to the eruptions.

Alaskans venture into the open landscape to seize the warming temperatures of spring.

Ben joins fellow Brit Lucy, her husband Tim and their two daughters, a family who traded in their comfortable South London home for a yurt on a woodland river on New Zealand's North Island.

Brits now eat 3 million takeaways a day. Journalist Nikki Fox teams up with scientists at Liverpool John Moores University to run a unique experiment. Fifteen volunteers eat nothing but takeaways for two weeks, and undergo a barrage of tests, from blood sugar and body fat to gut bacteria and mental sharpness.

In Tennessee, a violent tornado touches down in downtown Nashville, interrupting a live news broadcast and raking through the city. At the Hamma Hamma Falls, a kayaker races to rescue his friend from a terrifying ordeal above a 60-foot waterfall. Two weather enthusiasts get more than they bargained for when a bolt of lightning fries their car, with them inside.

Alaskans venture into the open landscape to seize the warming temperatures of spring.