Slow Horses · S6E2

Daddy Issues

September 23, 2026

The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.

Available in the United States on

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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

This episode airs on September 23, 2026.

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