Semis - 1978
| 26-Aug-1978,S.C.G. | |||||||
| Cronulla 17 | Manly 12 | ||||||
| Eric Archer | 1 | Simon Booth | 1 | ||||
| Mick Mullane | 1 | Russel Gartner | 1 | ||||
| Steve Rogers | 1 | 4 | Ian Martin | 1 | Graham Eadie | 1 | John Gibbs | 1 |
| 27-Aug-1978,S.C.G. | |||||||
| Parramatta 22 | Canterbury 15 | ||||||
| Greg Heddles | 2 | Steve Mortimer | 2 | ||||
| Ron Hilditch | 1 | Steve Gearin | 1 | 3 | |||
| Mick Cronin | 1 | 5 | |||||
| 02-Sep-1978,S.C.G. | |||||||
| Cronulla 14 | Wests 10 | ||||||
| Steve Edmonds | 1 | Peter Rowles | 5 | ||||
| Greg Pierce | 1 | ||||||
| Steve Rogers | 4 | ||||||
| 03-Sep-1978,S.C.G. | |||||||
| Parramatta 13 | Manly 13 | ||||||
| Geoff Gerard | 1 | Simon Booth | 1 | ||||
| Graham Murray | 1 | Russel Gartner | 1 | ||||
| Mick Cronin | 1 | 2 | Bruce Walker | 1 | John Gray | 2 | |
| 06-Sep-1978,S.C.G. | |||||||
| Manly 17 | Parramatta 11 | ||||||
| Steve Martin | 1 | Glenn West | 1 | ||||
| Russel Gartner | 1 | Geoff Gerard | 1 | ||||
| John Harvey | 1 | Neville Glover | 1 | ||||
| Graham Eadie | 4 | Mick Cronin | 1 | ||||
| 09-Sep-1978,S.C.G. | |||||||
| Manly 14 | Wests 7 | ||||||
| Alan Thompson | 2 | Ron Giteau | 1 | ||||
| Graham Eadie | 4 | Peter Rowles | 2 | ||||
| 16-Sep-1978,S.C.G. | |||||||
| Manly 11 | Cronulla 11 | ||||||
| Tom Mooney | 1 | Steve Edmonds | 1 | ||||
| Graham Eadie | 4 | Steve Rogers | 4 | ||||
| 19-Sep-1978,S.C.G. | |||||||
| Manly 16 | Cronulla 0 | ||||||
| Russel Gartner | 2 | ||||||
| Graham Eadie | 1 | 3 | 1 | ||||