3/6. From cave dwellers scraping paints on rocks to the ingenious techniques of the Egyptians and Arabs, geology has helped to shape the history of art. lain Stewart looks at how advances in our understanding of rocks have given each generation of artists new options. Filmed in Egypt, Spain and France.

8.00 4/6. From the birth of Christianity to recent discoveries about the extinction of dinosaurs, geology has played a vital role in our perception of where we came from. lain Stewart investigates in Greece, Italy and Portugal.

Sir Mark Tully travels through India examining how the collapse of secularism has created a vacuum in which Hindu nationalism is rising.

A look at the politics of hate. This award-winning Storyville film documents the changing face of right-wing politics in India through a study of the killing in 2002 of Muslims in Gujarat after an attack on a train left 58 Hindus dead.

How did a tourist paradise become "the most dangerous place on Earth"?
Mark Tully investigates.

: a comedy special from New York, with reviews of Woody Allen classics, plus The Producers, Saturday Night Live and Seinfeld

: a User's Guide to Natural
History: 6/6. A London railway yard that's become a haven for wildlife