Invited to the Canucks training camp, Bourdon almost made the team as an 18-year-old, but instead was returned to the QMJHL for further development. He began the 2005–06 season with the Foreurs, registering 20 points in 20 games, before being traded to the Moncton Wildcats, who were hosting the 2006 Memorial Cup. In exchange for Bourdon, the Wildcats sent Ian Mathieu-Girard, Jean-Sébastien Adam, a fourth-round pick, and a first-round selection in 2008 to Val-d'Or. Shortly after the trade, Bourdon injured his ankle, suffering a fractured fibula, high and low sprains, and a second-degree ligament tear. Although he returned to join Moncton in the playoffs, doctors told him that it would take two years to fully recover. He managed a full recovery after one year, but his turning ability and backwards skating sometimes lagged. Competing in the Memorial Cup, he reached the Canadian Hockey League (CHL) final with the Wildcats, who lost 6–2 to the Quebec Remparts.