Most TV plot holes of 1978
TV shows which first aired in 1978 with the most plot holes. Add your own! Show entries not limited by type.
| 1 |  | Blake's 7 (1978) | 21 |
|---|---|---|---|
| 2 |  | Battlestar Galactica (1978) | 14 |
| 3 |  | Grange Hill (1978) | 6 |
| 4 |  | Dallas (1978) | 1 |
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