BBC Four HD SkyTV

Cameron Mackintosh invites many of Stephen Sondheim's old friends to join him in London's West End for a thrilling, joyously staged production featuring an all-star cast. [S] [HD]

Jason Manford hosts a celebration of musical theatre featuring big live performances. [S] [HD]

8/14. James and Siegfried take a privileged look at progress, while Tristan, to his dismay, becomes regarded by Darrowby clients as the best vet in the business. [S]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

2/6. At the top of our planet lies the Arctic Ocean - a shape-shifting world of ice and water, home to unique animals like polar bears, harp seals and bowhead whales. [S,AD] [HD]

2/4. Dr Bendor Grosvenor and Emma Dabiri travel to Derby, on the hunt for a potential hidden masterpiece by Joseph Wright of Derby. [S,AD] [HD]

1/3. Series in which Alastair Sooke explores Greek art. He begins his journey in Crete at the palace of Knossos and travels to Santorini to the 'Greek Pompeii'. [S,AD] [HD]

Brenda Emmanus meets and profiles ten great living British designers, to find out what inspires them and explore how they have responded to society's evolving tastes. [S] [HD]

Alan Yentob talks to Sir Terence Conran, one of Britain's greatest designers and one of his heroes, about the revolutionary transformation he made to British life and style. [S] [HD]

Documentary looking at one of the classic British designs - the map of London's Tube network, originally created in 1931 by Underground employee Harry Beck. [S]

Documentary from 1990 exploring the iconic portable cassette player, the Sony Walkman, a symbol of Japan's postwar economic miracle and its prowess for making intricate hi-tech products. [S]

2/4. Dr Bendor Grosvenor and Emma Dabiri travel to Derby, on the hunt for a potential hidden masterpiece by Joseph Wright of Derby. [S,AD] [HD]

1/3. Series in which Alastair Sooke explores Greek art. He begins his journey in Crete at the palace of Knossos and travels to Santorini to the 'Greek Pompeii'. [S,AD] [HD]

Brenda Emmanus meets and profiles ten great living British designers, to find out what inspires them and explore how they have responded to society's evolving tastes. [S] [HD]

2/6. At the top of our planet lies the Arctic Ocean - a shape-shifting world of ice and water, home to unique animals like polar bears, harp seals and bowhead whales. [S,AD,SL] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

3/6. A look at how mountains create unique frozen worlds, home to extraordinary animals that must overcome the crushing conditions of the cold. [S,AD] [HD]

5/7. Reggie decides to put an end to it. He says goodbye to Joan, makes a drunken speech to the British Fruit Association, says goodbye to Elizabeth and fakes his own suicide. [S]

1/7. Classic sitcom. Tom Good decides that commuting is no life for a thinking man. His solution is unique in Surbiton but embarrassing to the neighbours. [S]

What was it really like behind the scenes of The Good Life? With contributions from Richard Briers, Penelope Keith, Monty Don, Brian Sewell and John O'Farrell. [S]

1/4. In 1975, George and Kathy Lutz are driven out from their dream home in just 28 days. Contains some scenes which some viewers may find upsetting. [S,AD] [HD]

2/4. A year before the Lutzes move into 112 Ocean Ave, the DeFeo family is found shot to death. Contains some scenes which some viewers may find upsetting. [S,AD] [HD]

5/5. Mark Kermode reveals the cinematic tricks and techniques behind horror films. Contains some strong language and some upsetting scenes. [S,AD] [HD]