Live second round action as players vie for places in the quarter-finals.
Hazel Irvine introduces second-round action. The matches are now the best-of-25 frames.
Two cellists and three violinists battle for a semi-final place in Cardiff. (R)
Another quarter-final spot will be filled on day eight of the World Championship.
Alice Roberts swims in cavernous plunge pools, languid rivers and underground lakes. (R)
3/10 In Copenhagen, several homeless people are poisoned and a homeless man is kidnapped.
4/10 The homeless man's survival depends on the landlords' willingness to agree to the demands.
2/6 Sam plans the perfect birthday for Cat, but Frankie offers Cat a very different present.
Louis travels to DLC Warren in New Jersey, an innovative autism school. (R)
Sunday 29 April 2012