2/2 Dr Michael Scott explores how the legacies of the Ancient Greeks live on to this day.
Comedian Rich Hall goes to the Lone Star state in search of the real Texas.
2/3 We meet the excitable new freshers embarking on their first taste of freedom.
17/19 Do multiple universes exist? And if so, which one are we actually in?
9/10 In the jungles of Peru, the world's biggest otters must fight caiman to save their cubs.
13/15 In the borders of Scotland, a jockey takes a tumble and needs help from paramedics.
1/6 A journey back to a lost era of rail travel, when trains had names, character and style.
2/3 How civil servants such as Charles Reed Peers helped save the great ruins of Britain.
Ian Hislop looks at the 1963 Beeching Report, which closed a third of the UK's railways.
George McGavin shows us the extraordinary little things that are vital to our land.