collingwood (3rd) v footscray (4th)
pies knock dogs out by 25 they will play melbourne in the prelim.
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Collingwood | 3.8 | 6.11 | 12.14 | 17.17 | 119 | Sat 11-Sep-1948 2:30 pm | M.C.G. | 71,514 | |
| Footscray | 4.3 | 8.9 | 9.9 | 12.12 | 84 | Collingwood won by 35 points | |||
essendon (1st) v melbourne (2nd)
dons beat dees by 6 goals they will play melbourne or collingwood in the grand.
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Essendon | 3.2 | 8.9 | 12.12 | 13.16 | 94 | Sat 18-Sep-1948 2:30 pm | M.C.G. | 72,394 | |
| Melbourne | 3.2 | 4.3 | 8.8 | 8.10 | 58 | Essendon won by 36 points | |||
prelim final
melbourne v collingwood