UK Weekend Box Office
UK Box Office 17th August, 1979
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Moonraker (1979) | £776,016 | £1,047,622 | £4,789,602 | -19% | 4 |
| 2 (2) |  | Porridge (1979) | £335,720 | £486,794 | £1,007,160 | -35% | 2 |
| 3 (3) |  | The Lord of the Rings (1979) | £4,948 | £6,680 | £1,178,375 | -55% | 7 |
| 4 (4) |  | The Muppet Movie (1979) | £1,500 | £2,175 | £1,277,556 | 33% | 12 |