Slow Horses season 6 does not have an official release date yet, but current reporting and fan analysis point to a 2026 premiere, most likely in the fall, with some speculation that it could arrive as early as late spring or early summer 2026. Apple TV+ has confirmed the season is filmed and on the way, just not exactly when yet.

Official status and timing

  • Season 6 has been officially renewed by Apple TV+, with announcements made after season 4’s run and reiterated around the lead‑up to season 5.
  • Multiple outlets note there is no confirmed premiere date yet, only a general 2026 window.
  • Reporting and industry pieces generally frame expectations as “fall or winter 2026,” matching the show’s recent pattern of autumn drops.

Why fans think it could be earlier

Fans tracking the production schedule and past gaps between seasons have built a case for a potentially earlier release, possibly late spring or early summer 2026.

  • Season 6 reportedly wrapped filming in summer 2025, which would leave plenty of time for post‑production before mid‑2026.
  • One popular forum breakdown points out the gaps between past pairs of seasons:
    • Season 1 (April 2022) → Season 2 (December 2022): about 8 months.
* Season 3 (Nov 2023) → Season 4 (Sept 2024): about 9–10 months.

* Season 5 (Sept 2025) → an estimated Season 6 window of May–June 2026 would fit that same 8–10 month pattern.

From that pattern, some fans argue that a May–June 2026 launch feels plausible, even if official outlets stay conservative with “2026, likely fall.”

What the outlets are saying

Entertainment and TV news sites mostly strike a cautious tone:

  • RadioTimes and TVInsider both stress that the date is “uncertain” or “too soon to tell,” but agree that 2026 is the year, leaning toward a fall release given previous premiere months.
  • Economic Times and other news summaries echo that Season 6 is “expected to arrive in fall or winter 2026” on Apple TV+.
  • Several pieces also highlight that the show tends to drop new seasons annually now, reinforcing the 2026 expectation rather than a longer gap.

Extra scoop: books and what’s coming

If you are planning a rewatch or reading ahead, there is a bit more detail on what Season 6 will cover.

  • Season 6 is expected to adapt Mick Herron’s Joe Country and Slough House , continuing the Slough House saga with Jackson Lamb and the rest of the “slow horses.”
  • As with earlier runs, the season is expected to be six episodes long, sticking to the now‑standard compact format.

For now, the safest answer to “when is Slow Horses season 6 coming out?” is: sometime in 2026, probably in the fall, with a decent chance it could arrive a bit earlier if Apple sticks to the tighter gaps between seasons seen so far.

Note: Information gathered from public forums or data available on the internet and portrayed here.