The world’s oceans are a wonderful mosaic of extremes. The habitats that exist around the globe, as well as the animals that live in them, reveal nature’s wildly varied approaches to accommodating life on our “ocean planet”. In six spectacular one-hour specials, underwater naturalist and film maker John Stoneman personally examines the many wonders of the undersea realm. He visits the globe, from the far reaches of the harsh polar regions to the dazzling and plentiful equatorial zone.