collingwood v fiztroy
pies end lions season by 22 they will play roos in the prelim.
First Semi-final
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Collingwood | 3.5 | 5.7 | 12.13 | 16.20 | 116 | Sat 15-Sep-1979 2:30 pm | M.C.G. | 87,139 | |
| Fitzroy | 3.4 | 5.13 | 6.17 | 12.22 | 94 | Collingwood won by 22 points | |||
carlton v north
blues beat roos by 38 meaning roos must beat pies to verse blues in what would be there 6th/7th straight grand final (depending if you count the 77 draw).
Second Semi-final
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Carlton | 1.5 | 4.11 | 11.19 | 15.21 | 111 | Sat 15-Sep-1979 2:30 pm | VFL Park | 69,142 | |
| North Melbourne | 1.2 | 3.3 | 5.7 | 11.7 | 73 | Carlton won by 38 points | |||
prelim final
north v collingwood