The Hurricanes lead the best-of-seven series three games to one. Game 5 is scheduled for Tuesday night in Raleigh, N.C.
Barzal redirected Robert Bortuzzo's shot from the blue line for his second goal of the game. Jean-Gabriel Pageau scored in the third for the Islanders. Goaltender Semyon Varlamov made 42 saves.
Seth Jarvis scored in the first period for the Hurricanes and Stefan Noesen tied the score with 5:52 left in the third. Goalie Frederik Andersen recorded 32 saves.
Stars 3, Golden Knights 2 (OT)
Wyatt Johnston scored at 16:23 of overtime to give Dallas a victory over Vegas in Game 3 of their Western Conference first-round series in Las Vegas.
Johnston roofed a sharp-angled wrist shot from the bottom of the right circle over the left shoulder of Vegas goaltender Logan Thompson for the game-winner and his second goal of the game. Miro Heiskanen had a goal and an assist and Jason Robertson added two assists for Dallas, who still trail the best-of-seven series, 2-1. Jake Oettinger finished with 32 saves. Game 4 is Monday night in Las Vegas.
Brayden McNabb had a goal and an assist and Jack Eichel scored a short-handed goal for Vegas, who had a six-game winning streak against the Stars snapped. Thompson tied his career high with 43 saves, including four breakaways in the second period alone.
Lightning 6, Panthers 3
Tampa Bay's Steven Stamkos and Brandon Hagel each tallied twice and the Lightning stayed alive in their best-of-seven Eastern Conference first-round playoff series with a win over visiting Florida.
Brayden Point netted one goal and had two assists, and NHL leading scorer Nikita Kucherov had three assists for 166 career playoff points, the third-most among active players. The Lightning broke a six-game post-season home losing streak to force Game 5 on Monday in Sunrise, Fla.
For Florida, Carter Verhaeghe, Sam Reinhart and Oliver Ekman-Larsson found the net, while Matthew Tkachuk posted two assists. Goalie Sergei Bobrovsky made 26 saves.
Bruins 3, Maple Leafs 1
Jeremy Swayman started back-to-back games for the first time in more than two months and made 25 saves to help visiting Boston take command of the Eastern Conference first-round series against Toronto.
Brad Marchand had a goal and an assist and James van Riemsdyk also scored for the Bruins, who lead the best-of-seven series 3-1 heading into Game 5 on Tuesday in Boston.
Mitch Marner scored and Ilya Samsonov made 14 saves through the first two periods for the Maple Leafs before Joseph Woll replaced Samsonov and made five saves in the third period.
