Over the last two-and-a-half million years, Britain has experienced numerous deep freezes that left the land uninhabitable and locked under ice sheets over a mile thick. Tracing the movement of the frozen wastes, Tony visits some of the country's most scenic spots - including the Scottish Highlands and the Lake District - to explore its chilly past. Ending up in London, Tony unearths the bones of monkeys, rhinos and lions that once lived on the banks of the Thames.
click here to see where to watch or .
Ready to Watch Birth of Britain with Tony Robinson, Season 1, Episode 2?