BBC Four HD

Programmes start at 7.00pm.

It's the last of the quarter-final matches. Jeremy Paxman asks the questions.

Quiz show in which connections must be made between seemingly random subjects. Three PhD students challenge a team that plays strategy board games.

Sitcom about an etiquette-obsessed snob. When Hyacinth and Richard go to stay in a country cottage, events take several unexpected turns.

Margaret joins the local amateur dramatic society and takes Victor to a Bergerac party. Meanwhile, Margaret's mother manages to get stuck in the bath with wallpaper paste.

An anthology of Dave Allen's finest, funniest and most irreverent material, compiled from his time at the BBC from 1971 to 1986.

Reflecting on the career of Dave Allen, the Irish comedian who cut his teeth at Butlins, became a TV star in Australia and returned home to dominate the schedules in Britain.

Irish stand-up comedian Dave Allen entertains a studio audience with his unique wit, humour and satirical observations. First broadcast in 1990.

After Valley Forge and Monmouth, the war moves to other theatres. Armies advance in Indian country and the south.

Dan Cruickshank explores how London survived the travails of the 17th century.

Robert Hughes considers America during the 1920s and 30s, including the skyscraper as the image of modernism, the Depression, regionalist art and black art.

Quiz show in which connections must be made between seemingly random subjects. Three PhD students challenge a team that plays strategy board games.

After Valley Forge and Monmouth, the war moves to other theatres. Armies advance in Indian country and the south.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

The semi-finals of the tournament begin. The first of the four remaining teams do battle for a place in the series final. Jeremy Paxman asks the questions.

Quiz show in which connections must be made between seemingly random subjects. Three gamblers take on a team unified by their love of ten-pin bowling.

Professor Brian Cox journeys into a supermassive black hole - a monster that can destroy worlds and stop time, and which is forcing us to reassess our understanding of reality.

An insight into the Nazis' reign of terror in Poland. Contains some scenes which some viewers may find upsetting.

Lucinda Lambton visits Europe's last ornamental farm, at Larchill, west of Dublin. It features rustic follies, great lakes and a glorious collection of animals.

.. Our Friends in the North. Christopher Eccleston reflects on the making of Peter Flannery's acclaimed 1996 drama. Contains some strong language.

The friends' reunion is a disaster. Contains some strong language.

The world has turned sour for the gang. Geordie is in jail, and Tosker works in a factory. Contains some strong language and some scenes of a sexual nature.