| NBL champions | League champions | Runners-up | Finals berth |
| Season | Tier | League | Regular season | Post-season | Head coach | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Finish | Played | Wins | Losses | Win rate | ||||||
| Geelong Cats | ||||||||||
| 1982 | 1 | NBL | 2nd | 26 | 20 | 6 | .769 | Won semifinal (Nunawading) 71–59 Lost NBL final (West Adelaide) 74–80 |
Tim Kaiser Cal Bruton | |
| 1983 | 1 | NBL | 1st | 22 | 18 | 4 | .818 | Eliminated round robin 1–2 | Cal Bruton | |
| 1984 | 1 | NBL | 1st | 23 | 21 | 2 | .913 | Lost preliminary final (Canberra) 81–87 Won qualifying final (Nunawading) 115–91 Lost semifinal (Brisbane) 103–107 |
Cal Bruton | |
| 1985 | 1 | NBL | 7th | 26 | 15 | 11 | .577 | Did not qualify | Casey Jones Ken Richardson | |
| 1986 | 1 | NBL | 7th | 26 | 14 | 12 | .538 | Did not qualify | Ken Richardson | |
| 1987 | 1 | NBL | 9th | 26 | 13 | 13 | .500 | Did not qualify | Ken Richardson | |
| Geelong Supercats | ||||||||||
| 1988 | 1 | NBL | 13th | 24 | 0 | 24 | .000 | Did not qualify | Pete Mathieson | |
| 1989 | 1 | NBL | 13th | 24 | 5 | 19 | .208 | Did not qualify | Barry Barnes Terry Kealey | |
| 1990 | 1 | NBL | 10th | 26 | 11 | 15 | .423 | Did not qualify | Barry Barnes Terry Kealey | |
| 1991 | 1 | NBL | 3rd | 26 | 17 | 9 | .654 | Lost elimination finals (North Melbourne) 1–2 | Barry Barnes Terry Kealey | |
| 1992 | 1 | NBL | 13th | 24 | 2 | 22 | .083 | Did not qualify | Steve Breheny | |
| 1993 | 1 | NBL | 12th | 26 | 7 | 19 | .269 | Did not qualify | Steve Breheny Terry Kealey Jim Calvin | |
| 1994 | 1 | NBL | 12th | 26 | 7 | 19 | .269 | Did not qualify | Jim Calvin | |
| 1995 | 1 | NBL | 12th | 26 | 9 | 17 | .346 | Did not qualify | Jim Calvin | |
| 1996 | 1 | NBL | 13th | 26 | 6 | 20 | .231 | Did not qualify | Ian Stacker | |
| Regular season record | 377 | 165 | 212 | .438 | 2 regular season champions | |||||
| Finals record | 11 | 4 | 7 | .267 | 0 NBL championships | |||||
As of the end of the 1996 season
*Note: In 1983 and 1984, the NBL was split into Eastern and Western divisions during the regular season.