Delving beneath the surface of the Earth's oceans to uncover a world of extraordinary extremes, including crushing depths, stormy coasts, vast blue deserts, and crowded reefs; how seals fend off sharks; how orcas fight to survive.
Documentary series delving into a rarely seen South American wilderness, home to surprising creatures who survive in environments that range from the mighty Andes Mountains to Cape Horn. Part 1: Fire and Ice Discover the secret lives of pumas and hummingbirds. Soar with condors over glacial peaks and explore monkey puzzle forests from the time of dinosaurs. Ride with extreme kayakers over raging waterfalls, and with Patagonia's cowboys - the gauchos - as they round up wild horses.
When you're a baby zebra, muskox, or pronghorn, there is no shortage of predators eyeing you as their next meal. From learning defensive herding to early sprinting skills, these vulnerable newborns hit the ground running with keen survival instincts.
In this final episode we complete our journey, travelling back from the March equinox to the end of June. Kate Humble is in the Arctic at a place where spring arrives with a bang, whilst Helen Czerski chases a tornado to show how the earth's angle of tilt creates the most extreme weather on earth.