UK Weekend Box Office
UK Box Office 8th December, 1978
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) | Piranha (1978) | £98,902 | £138,463 | £559,785 | -17% | 3 | |
| 2 (2) |  | Heaven Can Wait (1978) | £32,873 | £46,022 | £1,247,070 | -17% | 7 |
| 3 (3) | Force 10 From Navarone (1978) | £13,864 | £18,023 | £227,917 | -37% | 4 | |
| 4 (4) |  | Death On the Nile (1978) | |||||