| This Week | Last Week | Film Title | Days In Release | Gross ($M) | Weekend Gross ($M) |
| 1 | 1 | Dark Knight, The | 17 | 394.9 | 43.8 |
| 2 | -- | Mummy: Tomb of the Dragon Emperor, The | 3 | 42.5 | 42.5 |
| 3 | 2 | Step Brothers | 10 | 63.0 | 16.3 |
| 4 | 3 | Mamma Mia! | 17 | 88.0 | 13.1 |
| 5 | 5 | Journey to the Center of the Earth | 24 | 73.1 | 6.9 |
| 6 | -- | Swing Vote | 3 | 6.3 | 6.3 |
| 7 | 6 | Hancock | 31 | 216.0 | 5.2 |
| 8 | 7 | WALL-E | 38 | 204.2 | 4.8 |
| 9 | 4 | X-Files: I Want to Believe, The | 10 | 17.1 | 3.4 |
| 10 | 9 | Space Chimps | 17 | 22.1 | 2.8 |
