Naturalist Steve Backshall and double Olympic gold medallist Helen Glover go on an adventure travelling a thousand kilometres through Japan's northern highlands. Show more

Join celebrity couple naturalist Steve Backshall and double Olympic gold medallist Helen Glover on an adventure travelling a thousand kilometres through Japan's northern highlands. Show more

Join celebrity couple naturalist Steve Backshall and double Olympic gold medallist Helen Glover on an exhilarating adventure through Japan's northern highlands of Tohoku. Show more

Steve Backshall, Chris Packham and Ella Al-Shamahi visit the Maldives, Iceland and Cambodia, charting the fight to save the planet’s most endangered ecosystems. Show more

In the second year of a seven-year project, six presenters chart the fight to save the planet’s endangered ecosystems. In this episode, we visit the Maldives, USA and Greenland. Show more

By Charlotte Jones. The chilling story of the most powerful family in America and the tragic fate that befell Rosemary Kennedy, who underwent a prefrontal lobotomy. Show more

As part of a seven-year series on the planet's most threatened ecosystems, this third episode takes an in-depth look at efforts to save coral reefs. Show more