We Brits know so little of our native history before the Roman invasion. So little is taught. And this is because actually so little is known. This was a time before recorded history so all we have are bones and small artefacts and the occasional larger field or stone structure from which to conjecture about the people behind the remains. This is such a shame because it is difficult then to find out much about what we refer to as The Celts - the native British folk who had been on this island on and off for tens of thousands of years. This documentary is as good a documentary you are going to get on this subject. It starts at the very beginning of British prehistory before it was even an island, and takes us up to a hundred years before the roman invasion. It is brilliantly researched and presents a clearly followable timeline of British prehistory. And on top of this, Neil Oliver is so enjoyable to watch, not because he is exaggerated an energetic. He has a calming and studious approach to the subject matter. But two things stand out, his genuine personal enthusiasm and passion for the subject, and his professionalism and expertise - he is clearly someone who knows his stuff and so you trust that this documentary is giving you the best of the best information.