| | Movie | Distributor | Weekend Gross | Total Gross |
| 1 | Burn After Reading | Focus | 19,128,001 | 19,128,001 |
| 2 | The Family That Preys | Lionsgate | 17,381,218 | 17,381,218 |
| 3 | Righteous Kill | Overture | 16,288,361 | 16,288,361 |
| 4 | The Women | Picturehouse | 10,115,210 | 10,115,210 |
| 5 | Tropic Thunder | Dreamworks | 4,183,405 | 102,974,069 |
| 6 | The House Bunny | Sony | 4,154,427 | 42,008,459 |
| 7 | The Dark Knight | Warner Brothers | 4,128,153 | 517,792,764 |
| 8 | Bangkok Dangerous | Lionsgate | 2,592,656 | 12,723,787 |
| 9 | Traitor | Overture | 2,131,639 | 20,734,170 |
| 10 | Death Race | Universal | 2,056,415 | 33,232,495 |
WEEKEND BOX OFFICE ESTIMATES FOR SEPTEMBER 12TH – 14TH, 2008