Wikimedia Commons/The Boys Season 5 TV The Boys final season ends May 20. Star Erin Moriarty promises an emotional, moving finale that will leave fans with strong, mixed feelings. March 13, 2026 AceShowbiz - With the highly anticipated return of The Boys approaching, one of the show's leading stars has revealed that the final season's conclusion will evoke a range of strong and mixed emotions among viewers. Since its debut on Prime Video in 2019, the series has earned a dedicated fanbase and spawned spinoffs like The Boys Presents: Diabolical and Gen V.