BBC Four HD

Programmes start at 7.00pm.

Tim Dunn visits the former HQ of London Underground, 55 Broadway, which was the capital's first skyscraper, and sees the timber-framed Barmouth Bridge in north Wales.

Chris Beardshaw visits Britain's most inspirational gardens. He meets an enthusiastic group of organic farmers in Kent and helps a family trying to grow their own produce.

Fletch's probation officer gets him a job as a night porter, but his return to work is not smooth sailing.

Jean's personal life has become the focal point of conversation between Judy and Sandy. Lionel offers Jean a free cruise holiday, but her response is not what he'd imagined.

Intimate series profiling Princess Margaret. The second film finds Princess Margaret and Anthony Armstrong-Jones at the start of their married life in the early 1960s.

Following the Argentinian gauchos preserving their traditions in a fast-changing world. Contains very strong language.

The story of the Palestinian Liberation Organisation. Made in 1998. Contains some scenes which some viewers may find upsetting.

The 1973 Yom Kippur War and the 1978 Arab-Israeli Agreement. Made in 1998. Contains some scenes which some viewers may find upsetting.

How experts are learning more about those who wrote the texts of the ancient Egyptians.

The final programme of the series looks at the life and times of Tutankhamun himself.

Chris Beardshaw visits Britain's most inspirational gardens. He meets an enthusiastic group of organic farmers in Kent and helps a family trying to grow their own produce.

Intimate series profiling Princess Margaret. The second film finds Princess Margaret and Anthony Armstrong-Jones at the start of their married life in the early 1960s.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Tim Dunn visits the architecture of the Stockton & Darlington railway.

Chris Beardshaw visits inspirational gardens by helicopter. This time he is in Devon to help Carol Cooper and her husband Stephen develop a spring woodland garden.

Michael Palin continues his Himalayan Trek, leaving Everest base camp on the high road to Lhasa as he takes a look at how China has changed Tibet.

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.

Vivien Heilbron looks back on the BBC's 1982 adaptation of Lewis Grassic Gibbon's novel.

Moving from Kinraddie to the Segget, Chris Guthrie is now married to an idealistic minister. She struggles to understand the dark moods that engulf her new husband.

Political unrest grows in Segget as Chris dreams of having another child. Contains some scenes which some viewers may find upsetting.