BBC Four Monday

How the arrival of winter sparks a ruthless battle for survival in the polar regions, with temperatures plummeting to -70C, winds reaching 120mph and day-long darkness

A look at how the sea has fired the imagination of writers, painters and explorers, from the village of Cullercoats on the Northumbrian coast to the waters of the Caribbean

This programme celebrates and explores the architectural history of Las Vegas and how it has been influenced by the city's culture. First broadcast 18 October 2001

Frank Muir, Hilary Tindall and Robert Powell play against Patrick Campbell, Dawn Addams and Lord Kearton in a duel of words and wit, refereed by Robert Robinson

Joseph Cooper invites viewers to match their musical wits against a celebrity panel. First broadcast 24 September 1978

A look at how images sent back by the New Horizons space probe revealed Pluto to be an active world, on which some scientists believed that life could exist

Cameras in space unveil stories behind the planet's most intriguing colours, including the lights of the aurora and vast phytoplankton blooms in the ocean

How the art of the last 100 years reflects how nature was swapped for progress in the first half of the 20th-century, before rediscovering its beauty

How the arrival of winter sparks a ruthless battle for survival in the polar regions, with temperatures plummeting to -70C, winds reaching 120mph and day-long darkness

Cameras in space unveil stories behind the planet's most intriguing colours, including the lights of the aurora and vast phytoplankton blooms in the ocean

A look at how images sent back by the New Horizons space probe revealed Pluto to be an active world, on which some scientists believed that life could exist