Penguins rookie Jordan Staal vies for control of the puck with Senators winger Daniel Alfredsson. Staal scored in his first career playoff game, while Alfredsson put eight shots on net for the Sens and earned the games number one star.
The Senators got scoring from everywhere, including Chris Neil's third period goal past Pens' goalie Marc-Andre Fleury.
Penguins phenom Sidney Crosby scored his first playoff goal on a power play with 49 seconds remaining in the game.
Ilya Bryzgalov blocks a shot by right wing Branko Radivojevic in the third period. Anaheim coach Randy Carlyle started Bryzgalov in place of Jean-Sebastian Giguere, who rejoined the team after learning his newborn son, born with a deformed right eye, would not lose vision in his left eye.
Ducks center Samuel Pahlsson poke checks the puck away from Wild right wing Marian Gaborik. Minnesota's top goal-scorer, Gaborik led the Wild with four shots but no goals.
Ducks winger Dustin Penner scores with 5:20 remaining in the third period after Wild defenseman Kim Johnsson crashed into goalie Niklas Backstrom, sending him sprawling into the net.
Craig Rivet and Joe Thornton help teammate Jonathan Cheechoo off the ice after a knee-on-knee collision with Predators forward Scott Hartnell. Hartnell was given a five-minute major for kneeing and a game misconduct penalty.
Predators rookie Alexander Radulov scores his second goal of the game past Sharks goalie Evegeni Nabokov.
Sharks center Patrick Rissmiller scores at 8:14 of the second overtime as Predators goalie Tomas Vokoun and defenseman Ryan Suter watch the puck go in the net.
Canucks winger Markus Naslund checks Stars defenseman and fellow Swede Mattias Norstrom hard into the boards.
Antti Miettinen shoots past Canucks goalie Roberto Luongo for the first of two Dallas goals in the third period to send the game into overtime. Luongo made 72 saves in the quadruple OT winner.
Canucks center Henrik Sedin celebrates with the home crowd after scoring the game-winning goal past Marty Turco 18:06 into the fourth overtime.
Defenseman Michal Rozsival fires a shot, scoring a power play goal for the Rangers in the first period.
Thrashers leading-scorer Marian Hossa couldn't get the puck past Rangers' goalie Henrik Lundqvist.
Younger brother Marcel Hossa, however, managed to score for the Rangers in the second period against Thrashers goalie Kari Lehtonen.
Winger Zach Parise, 22, scored two goals for the Devils, including the winner early in the third period.
Lightning goalie Johan Holmqvist watches defenseman Dan Boyle attempt to clear the puck away from Devils' forwards Brian Gionta (14) and Scott Gomez (23).
Vincent Lecavalier carried much of the goal-scoring burden for the Lightning, notching two of Tampa's three goals.
Sabres' goalie Ryan Miller faced just one shot in the first period, but ended up making 20 saves against Jason Blake and the Islanders.
Wade Dubielewicz was not so fortunate, allowing four goals on 35.
(Left to right) Tim Connolly, Daniel Briere, Chris Drury, Dainius Zubrus and Brian Campbell celebrate Drury's second period goal against the Islanders. Drury and Campbell scored two each in the victory.
Red Wings center Pavel Datsyuk shoots past Miikka Kiprusoff for a goal in the second period. Datsyuk hadn't scored in his last 26 playoff appearances with Detroit.
Red Wings defensemen Nicklas Lidstrom, left, and Mathieu Schneider had a lot to celebrate, each scoring a goal and assist, while teammate Henrik Zetterberg, right, played for the first time in nearly two months.
Dominik Hasek stopped 19 of 20 shots, none of which came from Calgary's leading scorer, Jarome Iginla.