The Dark Knight on DVD just means records in a different venue will be broken. According to The Hollywood Reporter, The Dark Knight handily swept the national DVD sales, rentals and Blu-ray sales charts, for the week ending December 14. The disc sold more than 10 million units in stores, plus another 3.5 million to rental outlets, which also includes a record-breaking 1.7 million Blu-ray units sold.

The disc's first-week sales also were good enough to place it as the second highest-selling DVD of the year, just behind Iron Man, although it is expected to eclipse that title by week's end. The Dark Knight saw little competition amongst new releases, with Horton Hears a Who finishing in a distant second and the TV set, Lost: The Complete Fourth Season, finishing in seventh place, the only other newcomer on the top 10 for sales.

The Dark Knight continued its domination on the rental charts, bumping last week's top rental, Wanted to second place and Horton Hears a Who took fourth, with just 59% of the rental business that The Dark Knight amassed.

The Dark Knight completed the three-for-three sweep by taking the Blu-ray sales crown as well.