Neagley will premiere on Prime Video on Wednesday, September 16, 2026, with all eight episodes available together. Maria Sten returns as Frances Neagley, the Chicago private investigator and former member of the Army’s 110th Special Investigations Unit who has repeatedly worked beside Jack Reacher.
The spinoff arrives on the same day as the Reacher Season 4 finale, giving viewers two releases from the franchise at once. Amazon’s official September guide confirms the date and central story, but it does not say that the Season 4 conspiracy directly continues into Neagley.
- Release date: Wednesday, September 16, 2026
- Release format: All episodes together
- Episode count: Eight
- Streaming service: Prime Video
- Lead: Maria Sten as Frances Neagley
- Full supporting cast: Not published in Amazon’s cited guides
What is Neagley about?
Amazon says Neagley learns that a beloved friend from her past has died in a suspicious accident. She becomes determined to find the truth and follows the case toward a larger threat. The investigation draws on the skills she developed with the 110th and the lessons she learned from working with Reacher.
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That premise keeps the focus on Neagley as an investigator in her own right. The official material identifies her as a Chicago private investigator and presents the death as her case, rather than describing the series as another assignment led by Reacher. Amazon has not published the victim’s identity or a complete episode-by-episode synopsis.
Viewers who want the wider franchise context can revisit our Reacher Season 4 premiere recap. Our Episode 5 recap also explains the separate flash-drive conspiracy that drives the current season.
How does Neagley connect to Reacher Season 4?
The confirmed connection is currently the shared world, Neagley’s established history with Reacher and the coordinated September 16 release. Prime Video’s Season 4 guide says all eight spinoff episodes arrive when the finale streams, but it does not announce a crossover scene or say the finale launches Neagley’s investigation.
The limited official cast information creates another boundary. Sten is confirmed as the lead, while a complete supporting cast is not listed in the cited Amazon guides. Additional names should wait for a first-party cast announcement or the released credits.
Releasing the entire season together also distinguishes Neagley from the weekly rollout used for most of Reacher Season 4. Viewers will be able to follow the new investigation without waiting between chapters, but Amazon has not published episode titles or runtimes in the cited material.
The same-day launch makes it possible to watch the Reacher finale first and then move directly into Neagley’s case, although Amazon has not prescribed a viewing order. Our earlier Season 4 schedule guide tracks the weekly path to that date. Are you planning to finish Season 4 before starting all eight Neagley episodes? Let us know in the comments.
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