About this programme
Dr Janina Ramirez unlocks the secrets of a centuries-old masterpiece in glass, the Great East Window at York Minster, the largest expanse of medieval stained glass in the UK.
Programme listing
Britain's Most Fragile Treasure
When is Britain's Most Fragile Treasure next on TV?
Britain's Most Fragile Treasure is next on BBC Four at 21:00 on Sun 15 Nov 2026.
What channel is Britain's Most Fragile Treasure on?
The next showing is on BBC Four.
Is Britain's Most Fragile Treasure on TV tonight?
No further showing is listed tonight. The next airing is Sun 15 Nov 2026 at 21:00 on BBC Four.
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What channel?
BBC Four
BBC Four
Start time
21:00
21:00
Ends
Sun 15 Nov 2026, 22:00
Sun 15 Nov 2026, 22:00
Channel numbers
Channel numbers may vary by region, package or device.