BBC Four HD SkyTV

Programmes start at 7.00pm. [HD]

3/6. Ben Garrod finds out how the skeleton has allowed vertebrates to take to the air, why the pigeon is an exceptional flier and how the albatross makes huge migrations. [S] [HD]

5/6. Stately sitcom. Fearing that DeVere's plans to enlarge the fields will destroy the surrounding countryside, Audrey leads the local community's campaign to stop him. [S]

3/10. Hyacinth is in a sunny disposition, which mystifies Richard. The real horror of his situation dawns on him when he realises that he has forgotten their anniversary. [S]

1/6. Bank clerk Willie Melvin is convinced he could be a best-selling author. [S,AD]

Nostalgic look back at City Lights, the sitcom that captured the spirit of 1980s Scotland. Contains some strong language. [S,AD] [HD]

Ask E. Jean tells the story of E. Jean Carroll and her legal battles against Donald Trump. Contains very strong language and upsetting scenes. [S] [HD]

Michael Buerk presents a programme looking back on the night of the Great Storm of 16 October 1987, when winds of over 100 miles an hour ravaged the south and east of England. [S]

Maggie Aderin explores how dyslexia has affected her life and career by meeting other dyslexic astronomers and discovering their research - from icy moons to clumpy galaxies. [S] [HD]

3/6. Ben Garrod finds out how the skeleton has allowed vertebrates to take to the air, why the pigeon is an exceptional flier and how the albatross makes huge migrations. [S] [HD]

Nostalgic look back at City Lights, the sitcom that captured the spirit of 1980s Scotland. Contains some strong language. [S,AD] [HD]

1/3. Isolated since the time of the dinosaurs, New Zealand's wildlife has been left to its own devices. Its forests are stalked by predators from the Jurassic era. [S,AD,SL] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

4/6. Ben Garrod delves into the surprising ways in which bone has evolved to help vertebrates sense the world around them, from wolves and sheep to the great grey owl. [S] [HD]

4/4. Timothy and his wife Shane encounter several Scottish ports and islands in the misty drizzle, and venture up the Caledonian Canal. [S,AD]

Film exploring one of the most important archaeological discoveries of our time - an ancient city in Sichuan, China, lost to time until the chance unearthing of a jade object in 1927. [S] [HD]

1/5. The rocky planets Mercury, Venus, Earth, and Mars were born at the same time from the same material, yet they have lived radically different lives. What immense forces are at play? [S,AD] [HD]

Dame Janet Suzman shares her memories of making The Singing Detective, the groundbreaking Dennis Potter drama which is widely regarded as a landmark television moment. [S] [HD]

1/6. Dennis Potter's classic drama serial with music. Pulp thriller writer Philip Marlow is in hospital with psoriasis, tormented by his past and threatened by his future. Deals with adult themes. [S]

2/6. Marlow faces his personal misery of the talking cure with the psychologist. Contains some scenes of a sexual nature. [S]

4/6. Ben Garrod delves into the surprising ways in which bone has evolved to help vertebrates sense the world around them, from wolves and sheep to the great grey owl. [S] [HD]

4/4. Timothy and his wife Shane encounter several Scottish ports and islands in the misty drizzle, and venture up the Caledonian Canal. [S,AD]

7/12. Documentary which looks at why the most inhospitable place on the planet has exerted such a powerful hold on the imagination of explorers, scientists, writers and photographers. [S]

1/5. The rocky planets Mercury, Venus, Earth, and Mars were born at the same time from the same material, yet they have lived radically different lives. What immense forces are at play? [S,AD,SL] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

5/6. Ben Garrod uncovers the secrets of how vertebrates capture and devour their food using extreme jaws, bizarre teeth and specialised bony tools. [S] [HD]

1/5. Rugby legend Gareth Edwards and wife Maureen try steam trains and rallying in Machynlleth. [S] [HD]

During the Second World War, a group of Allied prisoners of war mount a daring breakout from a supposedly inescapable Nazi prison camp. Based on a true story. [1963] [S]

Acclaimed mystery about a couple grieving the loss of their daughter in a tragic accident. Contains some strong language, explicit sexual content, some violence... [1973] [S,AD] [HD]