Invaders

In this week's episode, Dr Alice Roberts travels back to the Viking Age in Britain and visits excavations that are revealing a different side to these seafaring pirates from Scandinavia. She looks for signs of the earliest Viking settlers in the Outer Hebrides, and in Orkney - where Viking dominance outlasted anywhere else in Britain - she visits the excavation of a Viking chief's citadel and finds evidence of their way-of-life. There's an extraordinary collection of silver and gold that demonstrates the furthest reaches of the Vikings' trading empire and excavations in York - famously the capital of Viking England. This episode also includes a fresh look at some of our most celebrated Viking finds, such as the fantastic Lewis Chessmen, which are currently the subject of major new research.