Apparently, the sight of Jack and Kelly beating each other to a pulp on last week's The Osbournes wasn't proof enough for MTV that its once-hot reality show was dying a slow death. The network has ordered a 20-episode third season of the show, premiering in early 2004. In other Osbourne news, Aimee still refuses to do the show, but will make her acting debut in MTV's modern adaptation of Emily Brönte's Wuthering Heights, airing Sept. 4.