13. The Roman Fortress of Eboracum - York, Yorkshire

The team head to the ancient city of York for a special live dig. Finds include a Roman skeleton with hobnailed boots, and a Viking leather shoe. They are joined by Barney Sloane (site supervisor), Peter Addyman (director of the York Archaeological Trust), archaeologist Paul Thompson, osteoarchaeologist Margaret Cox, architectural historian Beryl Lott, finds expert Lindsay Allason-Jones, Denise Allen (glass specialist), Viking expert Patrick Ottaway and TV personality Sandi Toksvig. They build a brick kiln and make a Roman-style glass jug. Environmental archaeologist Andrew Jones sifts through organic debris to determine the diet of the inhabitants. Medical historian Carole Rawcliffe demonstrates some medieval herbal remedies.