| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Dead Poets Society (1989) | £862,990 | £1,251,336 | £2,178,366 | 51% | 3 |
| 2 (new) |  | K-9 (1989) | £478,180 | £478,180 | £478,180 | new | 1 |
| 3 (new) | | Henry V (1989) | £326,278 | £326,278 | £326,278 | new | 1 |
| 4 (3) |  | Erik the Viking (1989) | £268,423 | £348,950 | £585,795 | 12% | 2 |
| 5 (2) |  | Batman (1989) | £128,176 | £166,629 | £10,895,958 | -57% | 9 |
| 6 (4) |  | The Bear (1989) | £100,233 | £145,338 | £717,134 | -55% | 3 |
| 7 (5) |  | Lethal Weapon 2 (1989) | £83,871 | £113,226 | £7,210,863 | -45% | 7 |
| 8 (9) |  | Sex, Lies and Videotape (1989) | £46,747 | £60,771 | £966,012 | -23% | 5 |
| 9 (8) |  | See No Evil, Hear No Evil (1989) | £34,479 | £48,271 | £2,491,324 | -44% | 6 |
| 10 (7) |  | The Fly II (1989) | £34,366 | £46,394 | £1,714,549 | -55% | 5 |
| 11 (6) |  | Young Einstein (1989) | £33,381 | £48,402 | £352,840 | -58% | 3 |
| 12 (10) |  | Bill & Teds Excellent Adventure (1989) | £16,532 | £23,145 | £1,481,015 | -44% | 7 |
| 13 (12) |  | Cousins (1989) | £11,123 | £15,572 | £815,287 | -50% | 6 |
| 14 (13) | | Dealers (1989) | £8,227 | £11,518 | £98,512 | -33% | 4 |
| 15 (14) |  | Talk Radio (1988) | £5,722 | £7,725 | £112,867 | -52% | 4 |