Ed Petrie and Cel Spellman take in the sights of Singapore and introduce some of the very best songs from the series. Show more
Tim and Naomi search the natural world for all things weird. They look at a mysterious web and a playground which disappeared overnight. Show more
Dick and Dom reveal the genius of Fox Talbot, a pioneer of photography. They come up with their own genius idea when they turn a bin into a giant pinhole camera. Show more
Quiz show. It's the first semi-final and St James' Church of England Academy from Dorset take on Millburn Primary School from County Londonderry.
Comedy panel show. Iain Stirling is joined by team captains Isaac and Grace, and special guests Johnny and Inel, Steve Bugeja and Katia Kvinge. Show more
Professor Brian Cox explores the laws of the universe. He shows how light holds the key to our understanding of the whole universe, including our own deepest origins. Show more
Semi-final action continues in Sheffield as the penultimate session is played in the bottom half of the draw. Live coverage is introduced by Hazel Irvine.
A family gives up their 21st-century technology and travels back in time. As they enter the 60s, there's more fun to be had - a trip to the seaside and a Mini to enjoy. Show more
Live semi-final action continues at the Crucible Theatre in Sheffield.
Nick Crane explores some of the most spectacular and scary sea cliffs in Britain.
A father and daughter find themselves treading water for almost an hour, hundreds of metres out at sea, after being swept out by a rip current. Show more
The second semi-final reaches its climax this evening, and by booking his place in the final, the winner will pocket at least £200,000 in prize money. Show more
Gina Yashere introduces surreal comedian Sam Simmons and rising star Ellie Taylor.
Sandi Toksvig finally gets round to a bit of procrastination with Aisling Bea, Holly Walsh, Nikki Bedi and Alan Davies.
Author Deborah Lipstadt and her legal team battle to prove that the Holocaust did take place when Deborah is sued for libel by English author David Irving, a denier. Show more
World War II drama. In November 1939, Georg Elser's attempt to assassinate Hitler fails, and he is arrested. During his confinement, he recalls the events leading up to his plot. Show more
In Nairobi investigating the US embassy bombing, FBI man Bob Chesney hopes for a miracle, while John O’Neill’s faith in agent Ali Soufan results in him being sent to London. Show more
Stan and Angel try to have a proper relationship, now that his marriage has officially fallen apart. Show more
Highlights of programmes on BBC Two.
