The Washington Capitals lost pace with the New York Rangers at the top of the NHL's Metropolitan Division after falling to a 3-2 defeat to the Calgary Flames in overtime.
Sean Monahan scored one minute, 40 seconds into OT to seal a surprise first win in three for the lowly Flames.
Michael Frolik and Monahan had Calgary 2-0 up in the third before Michael Latta and Jay Beagle struck to level the scoreline and force additional time.
The Columbus Blue Jackets secured just their fifth win of the campaign on Friday, sinking the Pittsburgh Penguins 2-1 at Consol Energy Center.
Sergei Bobrovsky made 28 saves as the Blue Jackets avoided a third consecutive loss after second-period goals from Scott Hartnell and Brandon Saad.
The New York Islanders crushed the Anaheim Ducks 4-1 as Frans Nielsen scored twice in the third period to wrap up a convincing victory at Honda Center.
The Islanders built a 2-0 lead halfway through the second period before Corey Perry pulled one back for the Ducks on the power play.
However, Anaheim were unable to build a comeback as they fell to their third successive defeat
In the day's other game, the San Jose Sharks toppled the Detroit Red Wings 3-2 as centre Pavel Datsyuk featured in his first game of the season after recovering from ankle surgery.