BBC Four HD Wednesday

Barra hears how Fermanagh railways were used in wartime espionage and uncovers the story of Belleek's lady admiral

Robbie Cumming explores the English canal network. A low canal tunnel in Staffordshire proves to be problematic and Robbie helps out a stranded boater

The actor visits Bolivia and Peru, where he meets an Englishwoman restoring a 140-year-old steamer, and sees the Inca ruins of Machu Picchu

The life of ravens inhabiting Newborough forest, Anglesey, which has proved a popular nesting place for the birds

The broadcaster explores the genres of fiction that are the most popular with the general public, beginning with detective novels

Trevor Eve, who portrayed DS Boyd, looks back on how the crime drama series came together and explains the psychology needed to stay fresh in a high profile for a long time

Part one of two. DS Boyd is approached by a woman who asks him to help prove her father's death in a car crash was not an accident nor suicide. Trevor Eve stars

Part two of two. Perry Coleman's grave is opened, but DNA tests on the body prove it cannot be that of Marina's father. Trevor Eve and Angela Griffin star

Gloria Hunniford interviews the American actress and singer at her home in Carmel, California. First broadcast 20 January 1995

Doris Day looks back over her successful acting and singing career, and recalls happy memories of working with Rock Hudson, James Cagney, Clark Gable and James Garner. From 1989

Barra hears how Fermanagh railways were used in wartime espionage and uncovers the story of Belleek's lady admiral

Robbie Cumming explores the English canal network. A low canal tunnel in Staffordshire proves to be problematic and Robbie helps out a stranded boater

The broadcaster explores the genres of fiction that are the most popular with the general public, beginning with detective novels