Mysteries of the Twilight Zone | Worlds of the Deep

A team of international skiers embark on a two-week glacier traverse connecting two remote research stations in Kazakhstan. The Tien Shan's 4000+ meter peaks host an active scientific community, leveraging the rare environmental conditions for groundbreaking research. Established during the Soviet Union's occupation, the high-altitude research stations here are home to some of the longest-standing glacier and cosmic radiation experiments in the world - and are surrounded by deadly alpine terrain.

Meet Rubel, fourteen years old boy smuggling rice from India to Bangladesh. He has to cross the river Ganga acting as the international border. The same river eroded his home in mainland.

Experience the wonders of evolution like never before.

In Namibia, conservationist Maria Diekmann found herself on the frontline of the battle to save these wanted animals after unexpectedly becoming a surrogate mother to an orphaned baby pangolin named Honey Bun. On an emotional journey, Diekmann travels to Asia to better understand the global issues facing pangolins, before joining forces with a Chinese megastar to help build a campaign to bring awareness to the plight of these surprisingly charming creatures.

From massive waves to melting ice, filmmaker Victor Kossakovsky travels around the world to capture stunning images of the beauty and raw power of water.

Seven Latina climbers reflect on how the mountain has guided them through life’s toughest challenges. Their hearts beat as they make the first female ascents of difficult routes, climb 5,000-meter peaks, and free solo traditional routes. We journey with them through their memories and current adventures as they share stories of grief, eating disorders, domestic violence, motherhood, and bicultural identity.

In a seasonal special, Gordon Buchanan meets the animals who live in nature's winter wonderlands. He reveals their survival secrets, from the polar bear mother who gives her cubs the best possible start in life to the owl that finds food hidden beneath a blanket of snow, plus the plucky penguins that huddle together to keep warm. Gordon also unwraps the lives of our favourite Christmas characters - those wonderful reindeer and our very own robin redbreast!

Living in an ancient redwood tree for more than two years to prevent the tree from being clear-cut, Julia Butterfly Hill captured our hearts and minds by showing us that one person can make a difference. Through interviews with Hill, filmmaker Doug Wolens paints a portrait of an intensely spiritual and articulate woman who encountered both beauty and horror (she was assaulted by lumber company helicopters at one point) during her time above ground.

In this immersive documentary, Winston Stairs invites the audience on a soul-soothing expedition into the world of hiking. Winston’s adventurous spirit guides the viewer through the forests of Ontario, sharing in the enchanting beauty of nature. Through breathtaking landscapes and personal reflections, the film captures Winston's profound love for hiking as more than a mere pastime—it becomes a transformative experience that welcomes self-discovery and a strong relationship with our environment. Join Winston on this inspirational trek, where every step reflects the joys of exploring and the tranquil side of our planet.

Embark on a global odyssey to discover the largest and least explored habitat on earth. New ocean science and technology has allowed us to go further into the unknown than we ever thought possible.