Neil Oliver and Alice Roberts team up in a three-part series to discover the world of the Celts. Travelling across Europe, from Ireland to Turkey, Denmark to Portugal, they seek out brand new archaeological discoveries, some of our greatest ancient treasures, and the very latest scientific studies. With dramatic reconstruction of three pivotal battles in the history of the Celts, Alice and Neil will reveal an incredible lost empire that stood up to the might of the Rome for hundreds of years.