History of Slow Horses in Timeline

Slow Horses is a British spy thriller television series based on Mick Herron's Slough House novels. The series revolves around a unit of MI5 agents, relegated to the department called "Slough House" due to their career-ending mistakes. Under the cynical and unconventional leadership of Jackson Lamb, the agents navigate complex and dangerous situations, seeking to redeem themselves and prove their worth. The show explores themes of redemption, betrayal, and the often-murky morality of the spy world. The cast features prominent actors such as Jack Lowden, Kristin Scott Thomas, and Jonathan Pryce.

October 2019: Series Order by Apple TV+

In October 2019, Apple TV+ gave Slow Horses a straight-to-series order.

October 2019: Gary Oldman Announced to Star

In October 2019, along with the series order, Gary Oldman was announced to star in Slow Horses.

November 2020: Filming of First Series Begins

On November 30, 2020, filming of the first series of Slow Horses began in England.

December 2020: Cast Additions

In December 2020, Olivia Cooke, Jonathan Pryce, Kristin Scott Thomas and Jack Lowden joined the cast of Slow Horses.

February 2021: Filming Continues

In February 2021, filming for the first series of Slow Horses continued in England.

July 2021: Filming Continues in Stroud

In July 2021, filming for the first series of Slow Horses continued in Stroud, Gloucestershire.

April 2022: Series Premieres on Apple TV+

In April 2022, Slow Horses premiered on Apple TV+ and received highly positive reviews.

June 2022: Show Renewed for Third and Fourth Series

In June 2022, ahead of the second series premiere, Slow Horses was renewed for a third and fourth series, based on the novels Real Tigers and Spook Street.

March 2023: Filming Status of Series 3 and 4

By March 2023, filming for the third series of Slow Horses had been completed, and filming for the fourth series was about to begin, directed by Adam Randall.

January 2024: Programme Renewed for Fifth Series

In January 2024, Slow Horses was renewed for a fifth series, which will be based on the fifth book, London Rules.

October 2024: Show Renewed for Sixth Series

In October 2024, the show was renewed for a sixth series, which will be based on the sixth and seventh books, Joe Country and Slough House.

September 2025: Fifth Series Scheduled Release

In September 2025, the fifth series is scheduled to be released with two new episodes, followed by a new episode on a weekly basis until the season finale.