<P> In the United Kingdom, the film had combined sales of 513,000 units on its first day of release, of which 107,730 (21%) were Blu - ray Discs, the highest number of first - day Blu - ray Discs sold . In the United States, The Dark Knight set a sales record for most DVDs sold in one day, selling 3 million units on its first day of release--600,000 of which were Blu - ray Discs . </P> <P> The DVD and Blu - ray Disc editions were released in Australia on December 10, 2008 . Releases were in the form of a one - disc edition on DVD; a two - disc edition on DVD; a two - disc edition including a Batmask on DVD and BD; a two - disc Batpod statuette Limited BD Edition; a two - disc BD edition; and a four - disc Batman Begins / The Dark Knight pack on DVD and BD . As of December 19, 2008, the DVD release is the top selling film in the Australian DVD Charts and is expected to break the Australian sales record set by Finding Nemo . </P> <P> The movie also sold Blu - ray copies worth 370 million yen (US $4.1 million) in Japan, placing it 3rd out of 10 in the top 10 overall Blu - ray category . </P> <P> In March 2011, Warner Bros. offered The Dark Knight for rent on Facebook, becoming the first movie ever to be released via digital distribution on a social networking site . Users in the United States were able to use Facebook Credits to view the film . The Dark Knight was released on 4K UHD Blu - Ray on December 19, 2017 . </P>

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