SONY BBC EARTH

Gregg Wallace visits a historic pencil factory in Germany and discovers how they produce 600,000 writing implements in a day.

A team of experts travels to remote and dangerous places to study snakes in their natural habitats and share riveting stories of their rescue.

A team of experts travels to remote and dangerous places to study snakes in their natural habitats and share riveting stories of their rescue.

The team heads to the rainforests of Madagascar, where Steve Backshall meets up with the country's largest carnivore, the fossa.

Steve is in Uganda, on a challenge to meet some of the deadly relatives of humans, the primates. Moreover, he takes the crew trekking high up into the Virunga Mountains.

Travel enthusiasts Tanveer and Priyanka set off on an adventure across India, from Himachal Pradesh to Kerala, along with their dogs while giving an insight into modern tourism in the country.

As the host travels further into Japan, she discovers various nuances of the country's culture in places like Kyoto and Hiroshima.

In order to commemorate their friendship, Ed Gamble and Lou Sanders tackle a dangerous road of thousand kilometers in Iceland wearing complementary driving gloves.

Gregg visits the largest factories in Europe to reveal the astonishing processes behind high-volume manufacturing. Meanwhile, Cherry investigates the science behind jelly beans, jeans and bath bombs.

Twenty seven tonnes of potatoes from a farm are sent to the largest crisp factory on earth where they are peeled, sliced and fried to make more than five million packets in 24 hours.

The presenter highlights South America, the most species-rich continent on Earth that houses the Andes and the world's largest rainforest.

A team of experts travels to remote and dangerous places to study snakes in their natural habitats and share riveting stories of their rescue.

A team of experts travels to remote and dangerous places to study snakes in their natural habitats and share riveting stories of their rescue.

Best friends and Derry Girls stars brave Romania's wilderness, stepping out of their comedic roles for a real adventure.

The team heads to the rainforests of Madagascar, where Steve Backshall meets up with the country's largest carnivore, the fossa.

Steve is in Uganda, on a challenge to meet some of the deadly relatives of humans, the primates. Moreover, he takes the crew trekking high up into the Virunga Mountains.