| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | The Dark Knight (2008) | £2,302,866 | £5,467,071 | £40,153,039 | -44% | 4 |
| 2 (3) |  | Mamma Mia! (2008) | £2,208,482 | £6,037,781 | £45,205,845 | -21% | 6 |
| 3 (new) |  | You Don't Mess With the Zohan (2008) | £1,520,637 | £1,520,637 | £1,520,637 | new | 1 |
| 4 (1) |  | The Mummy: Tomb of the Dragon Emperor (2008) | £1,429,842 | £3,722,539 | £8,157,189 | -68% | 2 |
| 5 (new) |  | Wild Child (2008) | £1,177,472 | £1,177,472 | £1,177,472 | new | 1 |
| 6 (new) |  | Star Wars: The Clone Wars (2008) | £895,300 | £895,300 | £895,300 | new | 1 |
| 7 (4) |  | WALL•E (2008) | £783,335 | £2,194,847 | £19,165,909 | -44% | 5 |
| 8 (9) |  | Space Chimps (2008) | £230,767 | £749,385 | £2,410,362 | -43% | 3 |
| 9 (8) |  | Kung-Fu Panda (2008) | £223,660 | £731,286 | £18,917,586 | -47% | 7 |
| 10 (6) | | Singh Is Kinng (2008) | £178,035 | £457,966 | £951,247 | -64% | 2 |
| 11 (7) |  | Angus, Thongs and Perfect Snogging (2008) | £144,223 | £749,707 | £5,024,597 | -68% | 4 |
| 12 (5) |  | Make It Happen (2008) | £123,616 | £641,650 | £1,147,470 | -76% | 2 |
| 13 (new) |  | Bachna Ae Haseeno (2008) | £100,693 | £100,693 | £100,693 | new | 1 |
| 14 (new) |  | Miss Pettigrew Lives For a Day (2008) | £90,878 | £90,878 | £90,878 | new | 1 |
| 15 (10) |  | The X Files: I Want to Believe (2008) | £63,787 | £355,748 | £2,186,864 | -81% | 3 |