Orbit: Earth's Extraordinary Journey

Tilt (1x3)

Date de diffusion: Mar 18, 2012

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.