The Dark Knight managed to see off strong competition at the weekend to continue top of the US box function for a fourth calendar week running.
Despite a strong opening night, Sony comedy Pineapple Express had to settle with second seat after pickings $22.4 million (�11.6 one thousand thousand) over the weekend.
The up-to-the-minute Batman epical, starring Christian Bale and Heath Ledger, has now taken a total of $441.5 million (�230 million) since it opened last month.
In third at the boxful office is The Mummy: Tomb of the Dragon Emperor spell teen comedy The Sisterhood of the Traveling Pants 2 is in fourth.
Rounding off the top quintet is Will Ferrell's latest film, Step Brothers.
With The Dark Knight's success the film has now taken third shoes on the all-time US box post chart. The original Star Wars film is in second piece Titanic holds the number one spot.
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