Alexander Armstrong and Richard Osman present a celebrity version of the general knowledge quiz in which contestants try to come up with the answers that nobody else could think of.

The latest national and international news stories from the BBC News team from London, UK, in English.

The latest news, sport and weather from London.

Gabby Logan, Clare Balding and Alex Scott present the annual celebration of sport.

Based on the novels by "Harry Potter" creator J.K. Rowling (under the pseudonym Robert Galbraith), this searing drama series follows Cormoran Strike, a weathered war veteran turned London private eye. Although Strike (Tom Burke) is wounded both physically and psychologically, his instincts prove crucial as he tries to solve three complex cases that have baffled the police.

The latest national and international news, with reports from BBC correspondents worldwide

The latest news, sport and weather from London.

The Avengers reassemble to face their toughest ever challenge in the form of a rogue Stark Industries invention. Intent on retiring from his life as Iron Man, Tony Stark secretly begins work on a robot strike force capable of keeping the peace. When his AI experiment goes badly wrong, however, he must call on the help of Captain America, Thor, the Hulk, Black Widow and Hawkeye once again - but will the collective might of the Avengers be enough to take down the seemingly unstoppable Ultron?

Joining the BBC's rolling news channel for a night of news, with bulletins on the hour and the headlines every 15 minutes