Jedward are at the border of England and Scotland, where they have just one day to learn all there is to know about Hadrian's Wall. After 24 hours, John and Edward battle against each other to be the best tour guide to a group of unsuspecting tourists.

Each is assisted by a celebrity guest to help them bring the key stories to life. So who will reign as champion tour guide and who will face a freezing forfeit?

With Andy Akinwolere from Blue Peter and Dancing on Ice, and Jonny Pitts from Roar and All Over the Place. Show less