Justice League: The New Frontier is a 2008 American animated superhero film adapted from the DC Comics limited series DC: The New Frontier. The film was written by Stan Berkowitz, with Darwyn Cooke providing additional material. The film received a rating of PG-13 for violent content and images, and was released on February 26, 2008. It is the second film of the DC Universe Animated Original Movies by Warner Bros. Animation.