premise: There was a one moment where he sounded like he was drunk . All the performances are good , especially Heath Ledger as the Joker . I ' ve never been one to jump on the Heath - Ledger - is - a - genius band wagon , but he adds so many little details to his performance . However , I ' m not sure it 's Oscar worthy . Why does the writer believe that Heath Ledger 's performance was not Oscar worthy ?
hypothesis: Because he sounded like he was drunk .