After improving to 12 goals and 35 points in 71 games for the Giants in 2007–08, Bouma was selected by the Calgary Flames in the third round, 78th overall, of the 2008 NHL Entry Draft. He remained in junior for two more seasons, and served as the Giants' captain in 2009–10, in which the team reached the third round of the WHL playoffs before bowing out to the Tri-City Americans.