Peter Baxter Slamdance Returns to Park City For 21st Year By Rick Brough • Jan 20, 2015 Slamdance - the other traditional film festival in Park City - is returning for a 21st year of highlighting a festival by filmmakers for filmmakers. Rick Brough has more. Big Anniversaries For Sundance And Slamdance Festivals By Rick Brough • Jan 3, 2014 This is an anniversary year for a couple of Park City Film Festivals. While Sundance celebrates its 30th year of managing festivals, Slamdance is also celebrating its 20th year. Rick Brough has more.