For polar bear Binne, Norway's brief spring is a race against time to double her weight before the arctic weather returns. Follow her as she faces starvation when her normal prey fails to arrive. AKA Polar Bear

For the bears of Katmai National Park, each spring marks the end of hibernation and the beginning of the annual contest for food and mating rites. Follow two bears competing to be 'King Bear'.

Deep inside a volcanic crater in East Africa, lioness Malkia has reigned supreme for 16 years. Now though, her status is under threat as inbreeding and fierce rivalry threaten to tear the pride apart.

Dive into the waters of South Africa's False Bay and follow a great white shark called Haai as she searches for food over a five-week period.

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