BBC Four Wednesday

Tim and Shane navigate their way through waters on the west coast of Scotland before sailing the Princess Matilda up the Caledonian Canal

The explorer heads to Derwentwater and Borrowdale, where he meets some of the locals who have battled against flooding and learned to live with the extreme conditions

Antique restorer Koji Mayuyama and his son Yu undertake the restoration of a ceramic horse from the Edo period. A previous restoration is now showing signs of age

Dan Cruickshank visits Dogon country in Mali, where he examines indigenous masks said to connect the land of the living with that of the dead

Explorer Bruce Parry travels to the Himalayas to meet the Adi people, a tribe with a fearsome reputation that has lived in isolation from the rest of the world for centuries

Holmes and Watson investigate a seemingly impossible suicide. Drama bringing the classic stories into the modern day, starring Benedict Cumberbatch and Martin Freeman

An interview with the writer and actor, who first rose to prominence as part of the League of Gentlemen, and has since contributed to series including Sherlock and Doctor Who

Tim and Shane navigate their way through waters on the west coast of Scotland before sailing the Princess Matilda up the Caledonian Canal

The explorer heads to Derwentwater and Borrowdale, where he meets some of the locals who have battled against flooding and learned to live with the extreme conditions

Docudrama telling the tale of one of America's most famous unsolved crimes, which involved a mysterious fugitive, a hijacked aeroplane and a daring mid-air escape

Explorer Bruce Parry travels to the Himalayas to meet the Adi people, a tribe with a fearsome reputation that has lived in isolation from the rest of the world for centuries