'American Idol' books Joe Jonas in Dallas, Kim Kardashian lands a guest spot on 'Brothers,' Oliver Stone plans to unveil the 'Secret History of America' and more of today's top TV headlines.Joe Jonas has been confirmed as the next guest judge on 'American Idol' season 9. The JoBro will stop by Monday's auditions in Dallas, following previously announced guests Shania Twain, Mary J. Blige, Katy Perry and Victoria Beckham. Also rumored to be a guest judge this season is the show's original 'Idol,' Kelly Clarkson, although nothing has been confirmed. [PEOPLE]
Kim Kardashian will guest on an upcoming episode of 'Brothers,' premiering Sept. 25 on Fox. Kardashian will play herself on the episode (airing this October), in which she confronts ex-football player Michael Trainor (Michael Strathan) about rumors that they hooked up together. We're sure this has nothing to do with ex-boyfriend Reggie Bush. [PEOPLE]
Nicole Kidman will make a cameo appearance on 'Project Runway: All-Star Challenge,' which airs this Thursday. Kidman will "help set up a challenge" on the special episode, although she will not actually sit on the judges' panel. The two-hour 'All-Star' challenge airs at 8PM on Lifetime. [EW.com]

Oliver Stone is about to uncover the 'Secret History of America,' a new 10-part documentary series for Showtime. The Oscar-winning director will narrate the series, about a number of under-reported events, including President Truman's decision to drop the atomic bomb on Japan, the Vietnam War and "newly discovered facts and accounts" from the Kennedy administration. [Live Feed]

'Buffy the Vampire Slayer' alum James Marsters is joining the cast of 'Caprica,' Syfy's prequel to 'Battlestar Galactica.' Marsters will reportedly appear on the series for at least three episodes, playing terrorist leader Barnabus Greenly. File this under another victory for the vampires. [Ausiello Files]

'True Blood''s ratings keep getting better. The show set another series' best on Sunday night, drawing 4.5 million viewers total. That's up nearly 1 million viewers from its second season premiere, which earned 3.7 million viewers in June. [Live Feed]


Actress Joy Bryant has joined the cast of 'Parenthood.' She'll play Jasmine on the NBC series, a "sexy single mom" who moves home to revamp her professional dance career and introduce her 5-year-old son to his father. 'Parenthood' premieres in midseason. [Hollywood Reporter]