Main content
BBC Four HD Schedule
HD Schedule
Evening
19:00
Hidden Wales: Last Chance to Save
Will Millard explores some of Wales’s hidden and vulnerable historic buildings.(R)
20:00
The Cambridgeshire Crucifixion
The story of the extremely rare discovery, in England, of evidence of Roman crucifixion.(R)
21:00
Snooker: The Masters—2026, Day 4, Part 3
Coverage from the fourth day of the 2026 Masters snooker tournament.
22:45
Tinker Tailor Soldier Spy—Series 1, Smiley Sets a Trap
6/7Smiley's investigation to snare the Circus traitor leads him to journalist Jerry Westerby.(R)
23:25
Tinker Tailor Soldier Spy—Series 1, Flushing Out the Mole
7/7George Smiley's search for the mole at the heart of the Circus finally comes to an end.(R)
Late
00:10
Inside the Bat Cave
Cutting-edge night-vision cameras reveal the hidden life of a greater horseshoe bat roost.(R)
01:10
Deep Down and Dirty: The Science of Soil
Chris Beardshaw delves into the micro-world of soil to reveal what it is and how it works.(R)
02:10
Inside the Bat Cave
Cutting-edge night-vision cameras reveal the hidden life of a greater horseshoe bat roost.(R)
