Planet Earth

Series celebrating our planet in all its glory. This episode journeys across the world, following the influence of the sun and discovering how its seasonal journey affects the lives of all who live on earth. As spring arrives in the Arctic, a mother polar bear emerges from her den with two tiny cubs. At the other end of the planet, winter arrives and Emperor penguins are plunged into darkness for four months.

Category

Documentary / Educational / History / Nature / Science

Original air date

2006-03-05