Dan Cruickshank looks at the extravagant 19th-century castles and palaces of King Ludwig II of Bavaria, believing them to be the work of an architectural genius ahead of his time. Show more

Writer and director Sir David Hare talks frankly to Mark Lawson following the publication of his much-anticipated memoir The Blue Touch Paper. Show more

Kirsty Wark introduces four theatre shorts featuring comedy, dance and drama from BBC TV Centre. Performances come from Gecko, Richard DeDomenici, Common Wealth and Touretteshero. Show more

Documentary celebrating the 70th anniversary of Glasgow's innovative Citizens Theatre and looking back at seven decades of pioneering productions. Show more

Series following a dramatic expedition searching for tigers hidden in the Himalayan Kingdom of Bhutan, featuring explorer Steve Backshall and cameraman Gordon Buchanan. Show more

Documentary which explores the British love of fast, daring and sometimes reckless motorbike riding during a period when home-grown machines were the envy of the world. Show more

Mark Miodownik shows how plastics have brought luxury to the masses and reveals how the next generation will take its inspiration from nature and could help rebuild the human body. Show more

Writer and director Sir David Hare talks frankly to Mark Lawson following the publication of his much-anticipated memoir The Blue Touch Paper. Show more