Humphrey handles a flurry of festive cases, while Martha enlists the help of Anne, Zoe and a special guest to pull off a secret plan. Kris Marshall and Sally Bretton star

Amanda Holden and Alan Carr renovate a run-down Andalusian townhouse into a boutique B&B, while involving themselves in the local festive traditions

Reality TV star GK Barry, actor Kola Bokinni, BBC disability correspondent Nikki Fox and comedian Iain Stirling show off their cooking skills in an effort to impress the judges

Anita Rani pays a Christmas visit to Floella Benjamin, to retrace her journey as part of the Windrush generation and reflect on an extraordinary life

Dr Chris van Tulleken presents the first of three lectures revealing what happens inside the human body when people eat

Celia Imrie narrates a look at how the crime writer's murder mysteries have been treated by movie-makers over the years using a selection of BBC interviews and archive material

His Majesty's annual address to the nation and the people of the Commonwealth

Frazer is unable to hide his delight when Captain Mainwaring's disreputable brother gatecrashes a sherry party for local dignitaries

Hyacinth decides to build a dream kitchen - but encounters unforeseen setbacks, culminating in Richard contracting an embarrassing fungal infection

Sketches and stand-up comedy from Eric Morecambe and Ernie Wise from 1968. Among Eric and Ernie's guests in this episode is Michael Aspel
