Seasonal Wonderlands

This episode looks at why New England is one of the most colourful places on Earth thanks to the hard work of beavers, ants and humans.

A look at how Svalbard in the Arctic magically transforms from complete darkness into a rich landscape of exotic plants, birds, arctic foxes, polar bears, walrus and reindeer.

[Season Finale] The Okavango Delta is a lush wetland in the middle of the vast, featureless Kalahari desert. It's home to hippos, baboons, catfish, kingfishers, leopards, warthogs and elephants.