Jackson Blake scored 5:28 into overtime for his second of the game, Logan Stankoven also scored in regulation and the Carolina Hurricanes finished a four-game sweep with a 3-2 victory over the Philadelphia Flyers to advance to the Eastern Conference finals for the second straight season.
Frederik Andersen made 15 saves for Carolina, which has not lost in eight playoff games.
Alex Bump and Tyson Foerster scored for the Flyers.
Taylor Hall and Jaccob Slavin assisted the winning goal.
Dan Vladar stopped 37 shots for Philadelphia.
Carolina will play the winner of Buffalo and Montreal in the Eastern Conference finals after the NHL's first 8-0 start in the playoffs since 1985.