Trek: Spy on the Wildebeest - The Crossing

Two-part documentary following a wildebeest calf making a spectacular year-long journey, an arduous 3,000km round trip across Tanzania's Serengeti and Kenya's Masai Mara, filmed using Dungcam, Bouldercam, Croccam, Skullcam, Tortoisecam and other spycams. Part 2: The migration reaches the Masai Mara where, for the calf, the river presents his greatest challenge yet.