Prime Video will add a mix of films, series and anime in September 2026, with the Reacher spin-off Neagley among the month’s most prominent releases.

– Neagley arrives on 16 September, releasing all eight episodes as Reacher season four concludes.
– The series follows investigator Frances Neagley examining a friend’s suspicious death; Alan Ritchson’s Jack Reacher appears in support.
– Animated miniseries Over the Garden Wall, Jon Favreau’s Chef and Van Helsing join on 1 September.
– Demon Slayer seasons one to four and the Mugen Train film arrive on 15 September.
– Romance adaptation The Love Hypothesis premieres on 23 September.
– IGN notes that Amazon may add or alter releases during the month.