Slow Horses Season 4 Release Date USA: When Will It Premiere on Apple TV+?

After a gripping third season, fans eagerly await details on the next instalment of Apple TV+’s hit espionage series Slow Horses. This brilliant adaptation of Mick Herron’s beloved books centres on a dysfunctional team of British intelligence agents who become embroiled in daring operations. With Season 3 wrapping up on a nail-biting cliffhanger, viewers have many burning questions about Slow Horses Season 4 like will there even be one, and if so, what plots or source material might it cover? This guide digs into all we know about a potential Season 4 release timeframe, storyline speculation and the franchise’s future.

Slow Horses Season 4 Renewal Status and Release Window Expectations

The good news is that Apple TV+ has already greenlit Slow Horses for a fourth season! In fact, the streaming platform confirmed the double renewal of both Season 3 and 4 back in June 2022 itself. This indicates solid viewership and faith in the series continuing its strong performance.

As showrunner Will Smith reveals to Decider:

“I genuinely don’t know. But I can tell you that it won’t be later than this time next year. So you won’t have to wait longer than a year.”

With Seasons 1, 2 and 3 all premiering in either spring (April 2022) or late fall (December 2022, November 2023) windows, it is reasonable to expect similar tentative timing for Slow Horses Season 4 by the end of 2023 or early 2024.

Table: Previous Slow Horses Season Release Timeframes

Season NumberRelease Date
Season 1April 1st, 2022
Season 2December 2nd, 2022
Season 3November 29th, 2023

Potential Source Material from Mick Herron’s Books

All previous seasons closely adapted material from Mick Herron’s Slough House book series centred on the misfit intelligence agents. Season 4 will likely continue the trend by basing its storyline on Book 4 titled ‘Spook Street’.

The official synopsis hints at potential themes around supporting aging former spies like David Cartwright who raised protagonist River Cartwright but now suffers from dementia. With his deteriorating condition, River faces dilemmas on how to care for his grandfather who once headed MI5 but now struggles even dressing himself as memory fails. Emotional turmoil seems inevitable.

Meanwhile, the team tackles fresh external crises like a bomb detonating in a crowded shopping centre that may signal terror threats requiring their counter-intelligence expertise. But can the dysfunctional agents hold it together?

Showrunner Hints at Season 4 Plot Points and Character Arcs

Beyond the source novel, showrunner Will Smith provides early insight into anticipated Season 4 plot points:

➡️ Standish and Lamb’s explosive breakup requires resolution

➡️ Potential romantic escalation between River and teammate Louisa

➡️ River supporting his ailing grandfather wrought with emotional turmoil

The recently released Season 4 first look teaser also suggests a team member dies forcing difficult reckonings. And Lamb cryptically mentions “the job continues” hinting the eccentric leader tries holding the unstable group together amidst internal dysfunction and perilous external threats.

Final Word on Renewals Beyond Season 4

With Apple TV+ finding success with the property and ample source material at hand, there seems potential for Slow Horses to get additional season orders moving forward if viewership and critical reception continues strongly. For now, fans await the next gripping case tackled by their favourite intelligence misfits when Season 4 eventually premieres within 2023 or early 2024. Stay tuned for exact confirmation on release date as details emerge!

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