Walking Through Time (Documentary, English)
Status: Ended
Premiered: 2016-09-24
Ended: 2016-10-08
Network: Channel 4
Country: GB
Airs on: Saturday
Air time: 20:00
Runtime: 60 minutes
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.