| # | Title | Mar 27 - 29 | % Chg. | Theaters | Weeks | AVG | Cumulative | ||
| 1 | Monsters vs. Aliens | $ 59,321,095 | 4,104 | 1 | $ 14,454 | $ 59,321,095 | |||
| 2 | The Haunting in Connecticut | 23,004,765 | 2,732 | 1 | 8,420 | 23,004,765 | |||
| 3 | Knowing | 14,702,187 | -40.2 | 3,337 | 2 | 4,406 | 46,217,199 | ||
| 4 | I Love You, Man | 12,671,533 | -28.9 | 2,717 | 2 | 4,664 | 37,078,306 | ||
| 5 | Duplicity | 7,672,485 | -45.1 | 2,579 | 2 | 2,975 | 25,754,865 | ||
| 6 | Race to Witch Mountain | 5,801,775 | -54.6 | 3,268 | 3 | 1,775 | 53,459,752 | ||
| 7 | 12 Rounds | 5,329,240 | 2,331 | 1 | 2,286 | 5,329,240 | |||
| 8 | Watchmen | 2,732,439 | -59.8 | 2,010 | 4 | 1,359 | 103,273,462 | ||
| 9 | Taken | 2,695,342 | -33.6 | 1,961 | 9 | 1,374 | 137,068,886 | ||
| 10 | The Last House on the Left | 2,644,295 | -54.2 | 2,251 | 3 | 1,175 | 28,492,330 |
Source: Box Office Guru
