The 2003–04 Aurora Tigers achieved much in with Spring of 2004. After defeating the St. Michael's Buzzers 4-games-to-2 to clinch the Buckland Cup and their fifth victorious best-of-7 series of the playoffs, the Tigers moved on to North Bay, Ontario to compete for the Dudley Hewitt Cup. The Tigers swept the opposition, defeating the NOJHL's Soo Thunderbirds 3–1, the SIJHL's Fort William North Stars 4–0, and the host North Bay Skyhawks 5–3, they moved straight to the final and beat the Skyhawks again 5–1 to clinch the Central Canadian championship. The Tigers then flew out to Grande Prairie, Alberta to compete in the Royal Bank Cup 2004. After losing their first game to the host Grande Prairie Storm 4–2, the Tiger went on a roll, beating the BCHL's Nanaimo Clippers 4–2, the SJHL's Kindersley Klippers 5–0, and the then Central Junior A Hockey League's Nepean Raiders 3–1. In the semi-final, the Tigers played the Raiders again and beat them 7–2, then manhandled the Klippers 7–1 in the final to win the Royal Bank Cup. This marked the first national championship in the OPJHL's 11-year history.