BBC Four HD

Programmes start at 7.00pm.

Steeplejack Fred Dibnah tours Britain's engineering marvels. This edition visits Warwick, Edinburgh and Conwy to explore the development of the fortress.

A journey through six centuries of warfare. Military historian Professor Richard Holmes analyses the Battle of Agincourt.

Stately sitcom. A repair bill for Audrey's Rolls-Royce finally convinces her to revert to four-legged horsepower.

Sitcom. When Hyacinth hears that Emmet is rehearsing a musical, she is beside herself. Unfortunately sorting out Daddy's antics has to take priority.

A look at James VI and I's attempts to unite Scotland and England under the umbrella of his crowns and persuade his subjects to feel more 'British'.

Several men from various backgrounds undergo procedures in pursuit of a larger penis. Contains very strong language, sexual content and disturbing scenes.

In this mind-bending film, Jim Al-Khalili explores the universe at its largest, from our solar system up to giant networks of interconnected galaxies.

The team journey to La Palma, where giant new telescopes and cutting-edge science are opening extraordinary new windows to the universe.

Steeplejack Fred Dibnah tours Britain's engineering marvels. This edition visits Warwick, Edinburgh and Conwy to explore the development of the fortress.

A journey through six centuries of warfare. Military historian Professor Richard Holmes analyses the Battle of Agincourt.

A look at James VI and I's attempts to unite Scotland and England under the umbrella of his crowns and persuade his subjects to feel more 'British'.

In this mind-bending film, Jim Al-Khalili explores the universe at its largest, from our solar system up to giant networks of interconnected galaxies.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Fred Dibnah visits Hampton Court Palace and examines a 15th-century manor house.

Military historian Professor Richard Holmes looks at major battles in history. He visits the farms and fields where history hung in the balance at the Battle of Waterloo.

Wildlife film-maker Martin Dohrn is bee obsessed. He has found over 60 species in his Bristol garden and sets out to film them, with mind-blowing results.

Architect James Stirling examines the Katharine Stephen Room, a rare books library at Newnham College, Cambridge, designed by Joanna van Heyningen and Birkin Haward.

Professor Brian Cox reveals the history of Saturn.

Ken Loach shares his memories of making the groundbreaking 1966 television drama Cathy Come Home.

Landmark 1960s TV play about a young couple and their children who are cruelly overtaken by events which lead them into an unrelenting trap of debt, homelessness and poverty.

Ken Loach talks about a career dedicated to documenting social and political injustice. Deals with adult themes.