Paul Thomas Anderson won Best Adapted Screenplay at the 2026 Oscars for "One Battle After Another," also winning Best Casting, while Sean Penn won Best Supporting Actor.

Paul Thomas Anderson won his first Oscar for Best Adapted Screenplay at the 98th Academy Awards for "One Battle After Another," dedicating it to his children and expressing hope for their generation's ability to restore decency. The film also won Best Casting in its debut year and earned Sean Penn Best Supporting Actor. Ryan Coogler took Best Original Screenplay for "Sinners." "The Singers" and "Two People Exchanging Saliva" tied for Best Live Action Short Film, marking the sixth such tie in Oscars history. The ceremony, hosted by Conan O'Brien, included tributes to Rob and Michele Reiner and featured a preview of "The Bachelorette: Before the First Rose."