Weekend Box Office:

1) The Dark Knight $26.03 million

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2) Pineapple Express $22.4 million

3) The Mummy: Tomb of the Dragon Emperor $16.1 million

4) The Sisterhood of the Traveling Pants 2 $10.7 million

5) Step Brothers $8.9 million

6) Mamma Mia! $8.08 million

7) Journey to the Center of the Earth $4.8 million

8) Hancock $3.3 million

9) Swing Vote $3.1 million

10) WALL-E $3.04 million

It was another triumphant weekend for the Caped Crusader, but no records fell this week. The Dark Knight dropped just 39 percent from last weekend to take in an estimated $26.03 million in its fourth weekend in release. The Christopher Nolan film now has an overall gross of $441.5 million, which, if the estimate hold true when the Monday numbers are released, will surpass Shrek 2 ($441.2 million) for third place on the all-time domestic box office chart. Only Star Wars: Episode IV - A New Hope ($460.9 million) and Titanic ($600.7 million) have all-time higher domestic grosses.

Two new films drummed up some solid biz at the box office as well. The Team Apatow comedy Pineapple Express took the second spot at the box office this weekend, with an estimated $22.4 million. The David Gordon Green-directed film scored a healthy $7,291 per-screen average from jst 3,027 theaters. The film has grossed $40.7 million since it's Wednesday release, already profiting from a $27 million budget. The Sisterhood of the Traveling Pants 2 took fourth place with $10.7 million from a smaller rollout of 2,707 theaters. The sequel grossed $19.7 million since it's Wednesday bow. The Mummy: Tomb of the Dragon Emperor dropped a whopping 60.2 percent from its debut weekend to finish in third place with $16.1 million, with its 10-day total at $70.6 million. The film was budgeted at $145 million.

Not much noise was made at the art-house this weekend. Elegy took in an estimated $102,000 from just six theaters this weekend, good for a substantial $17,000 per-screen average and Bottle Shock took in an estimated $295,000 from 48 theaters for a decent $6,145 per-screen average. Things weren't so good for Beer For My Horses with $226,000 from 91 theaters and a $2,483 per-screen average and the Quentin Tarantino-presented film Hell Ride faltered with just $83,500 from 82 theaters and a dismal $1,018 per-screen average.

This week sees the wide releases Tropic Thunder on Wednesday and the new Alexandre Aja horror film Mirrors as well as the new animated Star Wars tale, Star Wars: The Clone Wars hitting theaters. Will either of these be able to take down The Dark Knight? We shall see in seven days.