| | Movie | Distributor | Weekend Gross |
Total Gross |
| 1 | Forbidden Kingdom |
Lionsgate |
21,401,121 | 21,401,121 |
| 2 | Forgetting Sarah Marshall |
Universal |
17,725,330 | 17,725,330 |
| 3 | Prom Night |
Sony | 8,670,364 | 32,133,926 |
| 4 | 88 Minutes | Sony | 6,957,216 | 6,957,216 |
| 5 | Nim's Island | FOX | 5,687,072 | 32,894,115 |
| 6 | 21 | Sony | 5,520,362 | 70,004,505 |
| 7 | Street Kings |
FOX | 4,179,505 | 20,058,143 |
| 8 | Horton Hears A Who |
FOX | 3,511,834 |
144,418,495 |
| 9 | Leatherheads | Universal |
3,049,465 |
26,605,235 |
| 10 | Expelled: No Intelligence Allowed |
RM Pictures |
2,970,848 | 2,970,848 |
WEEKEND BOX OFFICE ESTIMATES FOR APRIL 18TH – APRIL 20TH, 2008
