A New Agatha Christie Mystery

S04 E01 • Friday, May 15, 2026 • May 15 • 59m

Unreleased

From a fragile silk robe and a wartime wall painting to a writer’s handmade timepiece, the hidden treasures in these two houses reveal the stories of two of Britain’s most celebrated authors – and the expert teams racing to preserve them.

The Duke, His Wife and Their Lover

S04 E02 • Friday, May 22, 2026 • May 22 • 58m

Unreleased

From scandalous society portraits to glittering royal furniture and the restoration of lost landscapes, this episode reveals how the legacy of the Grand Tour continues to shape Britain’s great houses – and the work being done today to protect their remarkable stories for the future.

Puffins and Pilgrims

S04 E03 • Unknown • Unknown • 59m

Unreleased

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

Episode 4

S04 E04 • Unknown • Unknown • 58m

Unreleased

Episode 5

S04 E05 • Unknown • Unknown • 58m

Unreleased

Episode 6

S04 E06 • Unknown • Unknown

Unreleased