27. Episode 27

Alastair Sooke looks back on the work of American pop artist Roy Lichtenstein as Tate Modern prepares for a major retrospective. Cerys Matthews visits National Theatre Wales as they prepare for the premiere of De Gabay, a unique performance based around the lives of the Somali community in Cardiff, and crime writer Val McDermid inspects the British Library's crime fiction exhibition to investigate the history of the whodunnit. All this, and German electronic music legends Kraftwerk, in London to perform for the first time since 2004.