How Many Seasons of Slow Horses Exist
As of now, Slow Horses has produced five seasons. The series launched in April 2022 with Season 1, followed by Season 2 in November 2022, Season 3 in May 2023, Season 4 in March 2024, and Season 5 in June 2025. Apple TV+ has renewed the show for a sixth and final season, which is in active production and expected to premiere in 2026. Each season consists of 6 episodes, for a total of 30 released episodes across the first five seasons, with 6 more episodes planned for the concluding season.
Season By Season Details
Season 1 (2022)
Debuted in April 2022 with 6 episodes. It establishes the Slough House team and the rivalry with River Cart.
Season 2 (2022)
Launched in November 2022 with 6 episodes. Expands the unit's operations and deepens the conflict with their rivals.
Season 3 (2023)
Released in May 2023 with 6 episodes. Further develops character arcs and introduces new geopolitical tensions.
Season 4 (2024)
Premiered in March 2024 with 6 episodes. Escalates personal and institutional stakes for the team.
Season 5 (2025)
Dropped in June 2025 with 6 episodes. Advances to the midpoint of the series arc as the end approaches.
Upcoming Season and Series Conclusion
Apple TV+ confirmed that Slow Horses will end with Season 6. Production is underway, though Apple has not announced an official premiere date. Expect the final season to resolve central conflicts and deliver a definitive conclusion to the Slough House story.
Season Summary Table
| Season | Year | Episodes | Status |
|---|---|---|---|
| 1 | 2022 | 6 | Released |
| 2 | 2022 | 6 | Released |
| 3 | 203 | 6 | Released |
| 4 | 2024 | 6 | Released |
| 5 | 2025 | 6 | Released |
| 6 | 2026(TBA) | 6 | In Production |
What This Means for Viewers
If you are new to Slow Horses, you can start with Season 1 and expect a compact, season-long narrative with minimal filler. Long-time viewers can look forward to two more tightly plotted seasons, culminating in a six-episode finale that will close the series. The consistent 6-episode format keeps the storytelling focused and supports a binge-friendly cadence on Apple TV+.
Key Takeaways
- Five seasons have been released, with a sixth and final season in production.
- Each season contains 6 episodes, for 36 total episodes when complete.
- Seasons typically arrive on an annual to slightly more frequent schedule, with the gap between Seasons 4 and 5 shortening.
- The series maintains a steady focus on espionage, character-driven drama, and institutional tension.
Frequently Asked Questions
Is Slow Horses ending? Yes. Apple TV+ has confirmed that Season 6 will be the final season.
How many episodes are in each season? Six, with the forthcoming finale also comprising 6 episodes.
When will Season 6 release? Production is ongoing; a 2026 premiere is widely expected, but Apple has not set an exact date.
Bottom Line
Slow Horses currently spans five released seasons and is heading into a conclusive sixth season. The show’s compact structure and consistent episode count make it easy to follow, while the upcoming finale promises to resolve the central conflicts of the series.