Peterborough was the top team in the OMJHL during the 1978-79 season, earning a record of 46-19-3 for 95 points, winning the Hamilton Spectator Trophy. The Petes 345 goals ranked fourth in the league, while their defense allowed 245 goals, ranking them second in the OMJHL. In the Leyden Division semi-finals, the Petes defeated the Kingston Canadians four games to two, with one game ending in a tie.
Peterborough dominated the OMJHL during the 1978-79 season, securing a remarkable record of 46-19-3 for 95 points and claiming the Hamilton Spectator Trophy. The Petes' impressive offense scored 345 goals, ranking fourth in the league, while their defense allowed 245 goals, placing them second in the OMJHL. In the Leyden Division semi-finals, the Petes outperformed the Kingston Canadians four games to two, with one game ending in a draw.