Before man ruled the world, Earth was a land of giants. Count down the biggest beasts of their kind to ever roam the planet in this eye-opening original special, and uncover the secret lives of these super-sized species. Birds wit...
Directed byOliver Twinch
Written byOliver Twinch
CountryUnited Kingdom
Runtime88 min
On screen
Jonathan Bloch
Gareth Dyke
Brian Farrell