geelong (3rd) v st kilda (4th)
cats get revenge on saints by 44 knocking them out they will play essendon in the prelim final.
First Semi-final
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Geelong | 4.4 | 9.7 | 14.10 | 19.13 | 127 | Sat 7-Sep-1968 2:30 pm | M.C.G. | 98,885 | |
| St. Kilda | 2.4 | 4.10 | 8.13 | 11.17 | 83 | Geelong won by 44 points | |||
essendon (1st) v carlton (2nd)
blues beat dons by 36 who have to beat cats for a shot at revenge.
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Carlton | 5.8 | 6.9 | 11.12 | 13.17 | 95 | Sat 14-Sep-1968 2:30 pm | M.C.G. | 106,365 | |
| Essendon | 1.2 | 7.6 | 7.8 | 8.11 | 59 | Carlton won by 36 points | |||
prelim final
essendon v geelong