TMDb/For All Mankind TV Apple TV's *For All Mankind* ends Season 5 May 29, as new spin-off *Star City* premieres, exploring the Soviet space race with recast younger characters. May 3, 2026 AceShowbiz - May 29 will mark the end of the fifth season of the acclaimed Apple TV sci-fi series For All Mankind. On that very day, fans will also be introduced to a fresh perspective on this universe with the premiere of its new spin-off, Star City. Unlike the main series, Star City delves into the Soviet side of the story, set during the early timeline of For All Mankind.