BBC Four HD

Programmes start at 7.00pm.

Michael Portillo completes his railway journey through the east of England during the postwar period, heading from RAF Lakenheath to the city of Cambridge.

The recently knighted sitcom writer Roy Clarke looks back on one of his best-loved creations, Open All Hours, and shares his memories of working with two comedy legends.

Classic sitcom about a miserly shopkeeper. Arkwright takes action when his corner shop is broken into and employs a large dog to guard his property.

The first episode of the comedy series about fastidious housewife Hyacinth Bucket sees Hyacinth's father have a nasty accident with a milk bottle.

Dan Cruickshank explores how London survived the travails of the 17th century.

George McGavin and Zoe Laughlin investigate the revolutionary science finding vital renewable resources and undiscovered life in sewage.

Documentary exploring how new evidence is challenging everything we thought we knew about Easter Island and the nearly 900 giant stone statues scattered across this remote Pacific island.

First transmitted in 1998, this is the story of four men who orbited Earth on board the ill-fated Mir space station.

George McGavin and Zoe Laughlin investigate the revolutionary science finding vital renewable resources and undiscovered life in sewage.

Michael Portillo completes his railway journey through the east of England during the postwar period, heading from RAF Lakenheath to the city of Cambridge.

Dan Cruickshank explores how London survived the travails of the 17th century.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Michael Portillo explores the postwar Britain of his youth on a railway journey from the Midlands to the West Country, beginning in the city of Derby.

Paul Rose explores the soft and rolling south Devon coastline, where he takes a snorkelling trip around Burgh Island and hitches a ride on the Dartmouth to Paignton steam train.

Brian takes a fresh look at the concept of gravity, revealing it to be far more than just the force that makes things fall to the ground.

Bruce Parry sails to the island of Anuta, a remote tropical outpost in the South Pacific. Contains some scenes which some viewers may find upsetting.

Michael Palin shares memories of his 1988 screenplay for the drama Number 27 - one of his early post-Python solo ventures and written around the same time as East of Ipswich.

Ninety-year-old Miss Barwick has lived peacefully in the same house all her life, that is until a young property developer arrives at her front door. A play by Michael Palin.

Sam Willis shows how the castle arrived as an instrument of invasion with the Normans but became a weapon with which unruly barons challenged the Crown.