UK Weekend Box Office
UK Box Office 26th May, 1978
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Pete's Dragon (1978) | £19,571 | £64,924 | £1,024,259 | -38% | 7 |
| 2 (2) |  | Close Encounters of the Third Kind (1978) | £14,528 | £190,890 | £12,832,472 | -23% | 11 |
| 3 (3) |  | The Stud (1978) | £3,438 | £52,654 | £1,312,197 | -58% | 7 |
| 4 (5) |  | Saturday Night Fever (1978) | £1,662 | £55,214 | £3,244,325 | -55% | 10 |