| Est. Rank | Rank | Diff | Release
| Est. Gross | Actual | Diff | % Diff | Theaters | Estimated Total | Actual | Weekend | Distributor
| New This Week
|
|---|
| 1 | 1 | - | I, Robot | $52,200,000 | $52,179,887 | -$20,113 | <0.1% | 3,420 | $52,200,000 | $52,179,887 | 1 | Twentieth Century Fox | - |
| 2 | 2 | - | Spider-Man 2 | $24,200,000 | $24,775,450 | +$575,450 | +2.4% | 4,058 | $301,700,000 | $302,287,882 | 3 | Sony Pictures Releasing | - |
| 3 | 4 | +1 | A Cinderella Story | $13,800,000 | $13,623,350 | -$176,650 | -1.3% | 2,625 | $13,800,000 | $13,623,350 | 1 | Warner Bros. | - |
| 4 | 3 | -1 | Anchorman: The Legend of Ron Burgundy | $13,400,000 | $13,849,313 | +$449,313 | +3.4% | 3,104 | $56,500,000 | $56,956,256 | 2 | DreamWorks Distribution | - |
| 5 | 6 | +1 | Fahrenheit 9/11 | $7,000,000 | - | - | - | 2,004 | $93,800,000 | - | 4 | Lionsgate | - |
| 6 | 5 | -1 | King Arthur | $6,900,000 | $7,161,648 | +$261,648 | +3.8% | 3,086 | $37,900,000 | $38,110,849 | 2 | Walt Disney Studios Motion Pictures | - |
| 7 | 7 | - | The Notebook | $5,500,000 | - | - | - | 2,089 | $53,700,000 | - | 4 | New Line Cinema | - |
| 8 | 9 | +1 | White Chicks | $3,400,000 | $3,436,328 | +$36,328 | +1.1% | 1,730 | $63,400,000 | $63,470,104 | 4 | Sony Pictures Releasing | - |
| 9 | 8 | -1 | Dodgeball: A True Underdog Story | $3,200,000 | $3,813,719 | +$613,719 | +19.2% | 1,945 | $104,600,000 | $105,165,752 | 5 | Twentieth Century Fox | - |
| 10 | 11 | +1 | The Terminal | $3,100,000 | $3,162,067 | +$62,067 | +2% | 1,804 | $71,100,000 | $71,210,710 | 5 | DreamWorks Distribution | - |
| 11 | 10 | -1 | Shrek 2 | $3,000,000 | $3,230,786 | +$230,786 | +7.7% | 1,857 | - | $425,011,646 | 9 | DreamWorks Distribution | - |
| 12 | 12 | - | Harry Potter and the Prisoner of Azkaban | $2,600,000 | $2,758,045 | +$158,045 | +6.1% | 1,460 | $238,200,000 | $238,344,679 | 7 | Warner Bros. | - |
| 13 | 21 | +8 | The Door in the Floor | $456,876 | - | - | - | 47 | $584,171 | - | 1 | Focus Features | - |
