11:00 PM - 12:00 AM
Easter Island Origins
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. [S,AD] [HD]
12:00 AM - 12:50 AM
Mir Mortals: Horizon - S1998 Ep15
First transmitted in 1998, this is the story of four men who orbited Earth on board the ill-fated Mir space station. [S]
12:50 AM - 01:50 AM
The Secret Science of Sewage
George McGavin and Zoe Laughlin investigate the revolutionary science finding vital renewable resources and undiscovered life in sewage. [S,AD] [HD]
01:50 AM - 02:20 AM
Great British Railway Journeys - S14 Ep10
10/15. Michael Portillo completes his railway journey through the east of England during the postwar period, heading from RAF Lakenheath to the city of Cambridge. [S,AD] [HD]
02:20 AM - 03:20 AM
London: A Tale of Two Cities with Dan Cruickshank
Dan Cruickshank explores how London survived the travails of the 17th century. [S,AD,SL]
03:20 AM - 05:30 AM
This is BBC Four
Programmes start at 7.00pm. [HD]
05:30 AM - 11:30 AM
..programmes start at 7.00pm
11:30 AM - 05:30 PM
..programmes start at 7.00pm
05:30 PM - 06:58 PM
..programmes start at 7.00pm
06:58 PM - 07:00 PM
This is BBC Four
Programmes start at 7.00pm. [HD]
07:00 PM - 07:30 PM
Great British Railway Journeys - S14 Ep11
11/15. 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. [S,AD] [HD]
07:30 PM - 08:00 PM
Coastal Path - S1 Ep4
4/5. 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. [S] [HD]
08:00 PM - 09:00 PM
Brian Cox's Adventures in Space and Time - S1 Ep3
3/4. 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. [S,AD] [HD]
09:00 PM - 10:00 PM
Tribe - S3 Ep3
3/6. 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. [S,AD]
10:00 PM - 10:15 PM
Michael Palin Remembers... Number 27
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. [S] [HD]
10:15 PM - 11:30 PM
Number 27
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. [S] [HD]
11:30 PM - 12:30 AM
Castles: Britain's Fortified History - S1 Ep1
1/3. 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. [S,AD] [HD]