S1, E1: Deep within the Arctic Circle, Michaela is in freezing Svalbard solving the puzzle of why the Ice Age started in the first place. Meanwhile Steve is in the UK discovering which ice age mega-beasts used the UK as their stomping ground.

S1, E1: Deep within the Arctic Circle, Michaela is in freezing Svalbard solving the puzzle of why the Ice Age started in the first place. Meanwhile Steve is in the UK discovering which ice age mega-beasts used the UK as their stomping ground.