UK Weekend Box Office
UK Box Office 21st December, 1984
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Ghostbusters () | £1,000,400 | £1,450,580 | £3,853,300 | 0% | 3 |
| 2 (2) |  | Gremlins () | £217,271 | £293,316 | £2,663,155 | -78% | 3 |
| 3 (new) |  | Johnny Dangerously () | £175,635 | £175,635 | £175,635 | new | 1 |
| 4 (3) |  | Dune (1984) | £157,382 | £212,466 | £727,229 | -69% | 2 |
| 5 (4) |  | The Killing Fields () | £87,811 | £122,935 | £1,729,397 | -47% | 5 |
| 6 (5) |  | Give My Regards to Broad Street () | £71,956 | £93,543 | £1,147,688 | -50% | 4 |
| 7 (6) |  | A Private Function () | £27,624 | £40,055 | £1,833,149 | -29% | 7 |
| 8 (7) |  | Tightrope (1984) | £5,977 | £8,069 | £1,818,378 | -50% | 8 |
| 9 (8) |  | A Christmas Story () | £2,981 | £3,875 | £686,390 | -41% | 9 |
| 10 (10) |  | Bachelor Party () | £300 | £420 | £1,782,018 | -65% | 15 |
| 11 (11) |  | The Karate Kid () | £200 | £270 | £3,022,980 | -71% | 17 |