Carl Hagelin scored the winning goal, which gave his side a 4-1 series victory.
A stunning 45-from-46 performance from Ottawa keeper Craig Anderson gave the Senators a 5-1 victory over the Montreal Canadiens.
Consequently, his side are right back in their series, 3-2 down.
The Minnesota Wild are 3-2 up on the St Louis Blues after a 4-1 win on Friday.
Nino Niederreiter and Mikko Koivu scored within 90 seconds of each other in the second period to get the job done.