Slow Horses · S6E4

Lost & Found

October 7, 2026

Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.

Available in the United States on

Apple TV

Apple TV Amazon Channel

Streaming availability data provided by JustWatch

Gary Oldman

Jackson Lamb

Jack Lowden

River Cartwright

Kristin Scott Thomas

Diana Taverner

Hugo Weaving

Frank Harkness

Saskia Reeves

Catherine Standish

Christopher Chung

Roddy Ho

Rosalind Eleazar

Louisa Guy

Aimee-Ffion Edwards

Shirley Dander

The next episode (S6E2) airs on September 23, 2026.

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