William Shatner sits down with scientists, innovators and celebrities to discuss how the optimism of 'Star Trek' influenced multiple generations.

View Canada’s extraordinary wildlife through the lens of its four distinct seasons.

Wild Canada From the filmmakers of the acclaimed series Human Planet and Planet Earth comes Wild Canada, this spectacular five-part series on the wildlife and the wild lands of Canada reveals a Canada that few have seen before. Underlying the series is an epic narrative through time and across the vast scale of the Canadian landscape, that provides exciting new stories about the plant and wildlife of Canada. New research reveals that many of Canada's unique and stunning natural landscapes are the direct result of ancient human activity. Each episode tells two parallel stories: the natural history of Canada, and how past humans shaped Canada's landscape and the wildlife spectacles we see today.

You find fungi in Antarctica and in nuclear reactors. They live inside your lungs and your skin is covered with them. Fungi are the most under appreciated and unexplained organisms, yet they could cure you from smallpox and turn cardboard boxes into forests. They could even transform Mars into Eden. There are vastly more fungi species than plants and each and every one of them play a crucial role in life’s support systems. Join us on a journey into the mysterious world of Fungi to witness their beauty, unravel their mysteries and discover how this secret kingdom is essential to life on Earth, and may in fact hold the key to our future.