BBC Four Tuesday

The 1984 Christmas Day edition, featuring Frankie Goes to Hollywood, Howard Jones, Duran Duran, Nik Kershaw, Culture Club, Wham!, Paul Young, George Michael and Band Aid

The writers look back on their classic prison-based sitcom, explaining its origins and how they nearly wrote a series about a gambling mad Welsh family instead

Fletch discovers fellow inmates at Slade Prison are planning an escape over Christmas, and is convinced it is doomed

Ronnie Barker's final screen appearance, where he and Ronnie Corbett choose their favourite sketches, songs and more from their festive shows

Christmas special. The festivities at the Department of Administrative Affairs are overshadowed when the prime minister announces his retirement

Lucy explores the tradition of festive hymns, revealing that there is much more to the best-loved carols than meets the eye, and how they reveal the history of Christmas itself

Exploring the flora and fauna of the island, which has given rise to more unique plants and animals, from its lemurs to chameleons, than any other on Earth

The 1984 Christmas Day edition, featuring Frankie Goes to Hollywood, Howard Jones, Duran Duran, Nik Kershaw, Culture Club, Wham!, Paul Young, George Michael and Band Aid

Fletch discovers fellow inmates at Slade Prison are planning an escape over Christmas, and is convinced it is doomed

Ronnie Barker's final screen appearance, where he and Ronnie Corbett choose their favourite sketches, songs and more from their festive shows

Exploring the flora and fauna of the island, which has given rise to more unique plants and animals, from its lemurs to chameleons, than any other on Earth