Series 4

Another look behind the velvet rope at some of Britain's beautiful and historic houses.

1. 

   1. A New Agatha Christie Mystery

   2026-05-15 · 59m

   The homes of two literary giants reveal personal treasures and the real people behind the pages.

2. 

   2. The Duke, His Wife and Their Lover

   2026-05-22 · 59m

   Two great country houses reveal stories of extravagant Grand Tours, royal luxury and one of Georgian society's most scandalous relationships.

3. 

   3. Puffins and Pilgrims

   2026-05-29 · 60m

   Preserving the legacy of St Cuthbert and a colony of breeding seabirds on the remote Farne Islands. And experts in Wales race to save a fragile Bible that shaped Welsh culture.

4. 

   4. Collectomania

   2026-06-05 · 59m

   Caring for the curious collections at two of the National Trust's most unusual houses, from a boy's suit of samurai armour to stuffed birds and a living collection of rare sheep.

5. 

   5. Bobbins and Hobbit Holes

   2026-06-12 · 59m

   Exploring workers' lives in the Industrial Revolution: a rare contract of a boy tied to a cotton mill is conserved, and final touches are made to Kinver Edge's rock houses.

6. 

   6. Top Secret Seedlings

   2026-06-19 · 59m

   Preserving garden designer Gertrude Jekyll's legacy at one of the National Trust's newest properties, and at Nymans, celebrating the flamboyant set designer Oliver Messel.