| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) | ![]() | Pete's Dragon (1978) | £12,232 | £15,902 | £1,040,161 | -37% | 8 |
| 2 (2) | ![]() | Close Encounters of the Third Kind (1978) | £5,811 | £8,135 | £12,840,607 | -60% | 12 |
| 3 (3) | ![]() | The Stud (1978) | £1,433 | £1,935 | £1,314,132 | -58% | 8 |
| 4 (4) | ![]() | Saturday Night Fever (1978) | £755 | £1,057 | £3,245,382 | -55% | 11 |