Britannia
E1
Looks at Roman Britannia, where finds include the thickening mystery of 97 baby skeletons.
Invaders
E2
Includes a visit to Orkney where Viking dominance outlasted anywhere else in Britain.
Age of Bronze and Iron
E3
Dr Alice Roberts discovers what kind of a place Britain was before the Romans invaded.
Ice and Stone
E4
Dr Alice Roberts goes in search of our elusive Stone Age ancestors.