1/10. The fateful flights of the Hindenburg, 1937, and the Challenger space shuttle, 1986, are explored. (AD)

With Kirsty Lang.
Then Weather

2/6. How rocks influenced the Egyptians to build pyramids, the Greeks to build squares and the Romans to build circles. Presented by Dr lain Stewart.

St Lucian poet Walcott discusses his Caribbean childhood and career.

3/5
Alain de Botton , Fiona Millar , Bishop Stephen Venner and Anne Atkins discuss the 21st-century family.

1/9. From the team behind the movie City of God comes a spin-off drama set in a shanty town in Rio. In Portuguese with English subtitles.

Anundercover CIA agent is taken hostage in Costa-Gavras's
1972 political thriller. In French with English subtitles.