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Patrick Aryee checks out the biggest animals on Earth as he discovers why size matters in nature. Travelling to Asia, Australia, the Americas and Africa, he explains why these creatures evolved into giants and how crucial they are to their habitats.
Patrick Aryee begins in the Americas, finding out more about the sperm whale, coming face to face with grizzly bears and getting up close and personal with an anaconda.
Patrick Aryee gets eye to eye with Komodo dragons, orangutans and giant pandas as he explores why these creatures all came to be supersized.
Patrick Aryee tracks down great white sharks, desert giraffes and one of the last 'tusker' elephants as he explores the challenges facing nature's giants.
