Reacher Season 4 Premieres August 12, 2026; Neagley Spin-Off Launches September 16

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Prime Video has confirmed the premiere dates for both Reacher Season 4 and its upcoming Reacher spin-off, Neagley.

Reacher Season Four will return on Wednesday, August 12, 2026. As with previous seasons, it will launch with the first three episodes and be followed with a new episode weekly. New episodes will run until Wednesday, September 16. In conjunction with the Reacher Season 4 finale, all eight episodes of Neagley will also hit Prime on September 16.

Prime released a handful of stills from Neagley, as well as a brief outline of the story. For those who may have forgotten – or those yet to tune into Reacher – ex-military police officer Frances Neagley is a private investigator in Chicago, and the former protégé of Jack Reacher during their time in the Army’s 110th Special Investigations Unit.

Her spin-off series will see her digging into a dangerous case involving a friend from her past who has been killed in a suspicious accident. Maria Sten returns as Frances Neagley, alongside Greyston Holt as Detective Hudson Riley, Adeline Rudolph as Renee Birdwhistle, Jasper Jones as Keno, Matthew Del Negro as Pierce Woodrow, and Damon Herriman as Lawrence Cole. Alan Ritchson will guest star as Reacher. The Neagley series is not based on any specific Reacher novel, so fans of the books needn’t be concerned about Reacher himself having any of his stories snatched out from beneath him.

Prime Video recently confirmed its hit action-drama has been renewed for a fifth season already . The third season of Reacher reached 54.6 million viewers globally during its first 19 days on the service, which Prime notes makes it the most-watched season on the service since the first season of Fallout over the same timespan.

It’s not known what book Reacher Season 5 will be based on, but Season 4 is based on the 13th novel in the series, Gone Tomorrow – which was published in 2009.

For his part, Ritchson himself also has a new film – Motor City, alongside Shailene Woodley, Pablo Schreiber, and Ben Foster – arriving in cinemas in July.

Luke is a Senior Editor on the IGN reviews team. You can track him down on Bluesky @mrlukereilly to ask him things about stuff.