BBC Four Monday

This edition focuses on the spring, featuring the mating dances of grebes, flowers growing in the desert and swifts embarking on marathon journeys

Bendor Grosvenor and Emma Dabiri visit Brighton Museum to investigate who painted two religious pictures, and uncover the story of an extravagant building

Magnus Magnusson hosts the sixth heat, with specialist subjects of George Orwell, the history of costume from 1600, Rome, and the Common Market.

Robert Robinson presides over another duel of words and wits as Diana Quick, Robert Powell, Anouska Hempel and Nigel Havers join captains Frank Muir and Patrick Campbell

Chris Lintott and the team explore the extraordinary engineering, both on Earth and millions of kilometres above it in space, that is transforming modern astronomy

John Wilson speaks to the Turner Prize-winning artist and curator about her creative influences

Alastair Sooke tells the stories of sculptors John Flaxman, Francis Chantrey and Alfred Gilbert, who bucked trends in the 18th and 19th centuries following technical breakthroughs

The way art reflects how nature was swapped for progress in the first half of the 20th century, before rediscovering its beauty

Bendor Grosvenor and Emma Dabiri visit Brighton Museum to investigate who painted two religious pictures, and uncover the story of an extravagant building

This edition focuses on the spring, featuring the mating dances of grebes, flowers growing in the desert and swifts embarking on marathon journeys

The way art reflects how nature was swapped for progress in the first half of the 20th century, before rediscovering its beauty