BBC Four HD

Programmes start at 7.00pm.

In his exploration of the engineering skills that went into the building of Britain, Fred Dibnah looks at the construction of the canal network.

Four-part series about the Lake District. Paul Rose heads to Windermere to find out why early tourists thought the Lakes were so dangerous.

Stately sitcom. Richard offers Ned's services to Audrey in Brabinger's absence but Ned thinks it is all a plot to remove him from his tied cottage.

Domestic sitcom. Hyacinth and Richard have finally moved into their 'country retreat'. Although Hyacinth views the flat as 'old-world bijou', Richard finds it anything but.

Thomas Boleyn, the patriarch of the Boleyns, is determined to elevate the family name. His ambitions for his three children will take them to the heart of the Tudor court.

Jim Al-Khalili tackles the greatest question in science - how the universe began. By recreating key experiments Jim unravels the mystery of science's creation story.

The father and son undertake the restoration of a ceramic horse from the Edo period. A previous restoration is now showing signs of age, and a new approach is needed.

Chris Lintott and the team explore the extraordinary engineering, both on Earth and millions of kilometres above it in space, that is transforming modern astronomy.