Walking Through Time
Britain used to be linked to Europe by a massive chalk land bridge, which was destroyed by a catastrophic flood 450,000 years ago. Dr Tori Herridge examines this once-in-a-million-years mega flood.
3.0 3 xTori investigates the story of five mammoths found in Shropshire; how did they die and what can they tell us about what killed off the mammoths?
3.0 24 xTori searches for the site of a huge meteorite that landed on Scotland's beautiful north-west coast a billion years ago; one of the world's biggest asteroid impacts
Expired 3.0 19 xTori reveals why the Jurassic Coast is stuffed to the gills with world-class fossils, and encounters the biggest sea predator ever to have lived and a disaster that nearly destroyed life on Earth