Live TV
5:00pm
E1 - Michael Portillo learns what it took to build the Alaska Railroad, then explores Indigenous traditions and an iceberg maze.
6:00pm
S5 E13 - Hope rallies the team to release the herd of white-tailed deer. Winter brings a mysterious influx of snowy owls to the rehab.
7:00pm
E1 - The wilds of Madagascar are a long-isolated breeding ground for some of the world's most fascinating plant and animal species.