BBC Four HD

Programmes start at 7.00pm.

Michael Portillo embarks on a postwar exploration of Britain's southern counties.

Quiz show with Victoria Coren. In the final, the Gamblers try not to take too many risks and the Strategists fight the impulse to err on the side of caution.

Hyacinth makes some very expensive holiday plans before dashing off to fulfil her voluntary church cleaning duties with the Ladies' Guild.

Unexpected visitors drop in and mistakenly suspect Victor of killing an elderly blind man. A concert gives Victor the chance to use his ventriloquist's dummy.

Marine archaeologist Dr Jon Henderson tells the story of the Norsemen in Scotland, visiting archaeological sites across Scotland and Norway.

Supported by the French, Washington wins the decisive victory at Yorktown. In peacetime, Americans aspire for a more perfect union.

Documentary exploring how new evidence is challenging everything we thought we knew about Easter Island and the nearly 900 giant stone statues scattered across this remote Pacific island.

Quiz show with Victoria Coren. In the second semi-final, three fans of the Hitchhiker's Guide to the Galaxy play a team who love strategy board games.

Quiz show with Victoria Coren. In the final, the Gamblers try not to take too many risks and the Strategists fight the impulse to err on the side of caution.

Michael Portillo embarks on a postwar exploration of Britain's southern counties.

Supported by the French, Washington wins the decisive victory at Yorktown. In peacetime, Americans aspire for a more perfect union.

Adventurer and journalist Simon Reeve heads to Kenya and Uganda to uncover the stories behind Britain's favourite drink, meeting the people who pick, pack and transport tea.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Michael joins Navy Wings pilots for a close formation flight over RNAS Yeovilton.

Narrowboater Robbie Cumming begins a 170-mile journey across the north of England and soon runs into difficulty with a problem with his craft's propeller in Wigan.

It's the ultimate question: why are we here? Brian Cox explores how cutting-edge space missions take us back 13.8 billion years to the origin of the universe.

Documentary tracing the radicalisation of the Nazi policy against the Jews. Contains scenes which some viewers may find disturbing.

Simon Thurley investigates the forgotten tunnels of Henry VIII's sewage system at Hampton Court.

Nicky stands for Parliament, Tosker falls in love and Geordie begins to deal in drugs. Contains some strong language.

1984: The miners' strike dominates both the country and the lives of the four friends. Contains strong language, some sexual content and some violence.