BBC Four HD Saturday

The cultural historian heads to the vast Konya Plain of Turkey, tracking a young explorer who found the world's oldest city

Exploring the mountains of Dhofar in Oman, where the annual Indian Ocean monsoon has helped create a lost world of waterfalls and cloud forests filled with fascinating wildlife

Part two of two. Wildlife expert Liz Bonnin, actress Freida Pinto and mountaineer Jon Gupta explore a village of birds, an impressive mountain range and profile baby turtles

Decades after leaving, a man returns to his hometown of Naples to discover his past life is far from buried. Drama, starring Pierfrancesco Favino. In Italian

Fletcher helps cellmate Godber make it through the night, calling on his limitless imagination to while away the hours. Comedy, starring Ronnie Barker and Richard Beckinsale

Jim decides to save money by getting rid of the Department of Education

First episode of the sitcom about the staff of a Scottish airline. Shona receives a surprise visitor and Steve makes plans for his birthday. Starring Alan Cumming and Forbes Masson

Sebastian discovers an embarrassing secret about Captain Duff, while Steve finds himself falling in love again. Comedy, starring Alan Cumming

Exploring the mountains of Dhofar in Oman, where the annual Indian Ocean monsoon has helped create a lost world of waterfalls and cloud forests filled with fascinating wildlife

The cultural historian heads to the vast Konya Plain of Turkey, tracking a young explorer who found the world's oldest city