The challenges for Huw Edwards and the history detectives include using flash photography to decipher the writing on a ninth century stone pillar, recreating what an iron age fort would have looked like and uncovering an eighteenth century copper works before it disappears beneath a housing development.
There's the house that time forgot near Raglan, a visit to the best preserved World War I training trenches at Penally in Pembrokeshire, and a look at new plans to open a visitor centre at Parys Mountain in Anglesey, once the biggest copper mine in the world.
The legacy of a Tudor lord who wanted to turn Denbigh into the capital of North Wales is investigated, and there's a visit to a spectacular cliff-top fort in Pembroke to look at how Iron Age people lived close to the edge. Plus, how Cistercian monks created Wales's first multinational sheep business.
The first of three documentaries following the bosses of some Britain's oldest family businesses as they go on a journey into their remarkable pasts. Richard Balson's family have been butchers for almost 500 years, since Henry VIII was on the throne. He goes back through centuries of butchery to the origin of the British high street. Along the way he discovers how the Balsons have stayed in the butchery business despite scandal and tragedy.