Washington Capitals vs. (P3) New York Islanders This was the third playoff series meeting between these two teams. New York won both previous series over the past two seasons, including last year's Patrick Division Finals in five games. The series comeback by the Islanders is the only instance in NHL history a team has overcome a 2–0 series deficit to win a best-of-five series. Clarence Campbell Conference (N1) St. Louis Blues vs. (N4) Minnesota North Stars This was the sixth playoff series meeting between these two teams. St. Louis won three of the previous five series. This was a rematch of last year's Norris Division Finals in which Minnesota won in seven games. (N2) Chicago Black Hawks vs. (N3) Detroit Red Wings This was the tenth playoff series meeting between these two teams. Chicago has won five of the previous nine series. Their most recent meeting was in the 1970 Stanley Cup Quarterfinals in a four-game sweep. (S1) Edmonton Oilers vs. (S4) Los Angeles Kings This was the second playoff series between these two teams. Los Angeles won their only previous meeting in a stunning upset 3–2 in the 1982 Smythe Division Semifinals. (S2) Winnipeg Jets vs. (S3) Calgary Flames This was the first playoff series between these two teams. Division Finals Prince of Wales Conference (A1) Montreal Canadiens vs. (A2) Quebec Nordiques This was the third playoff series meeting between these two teams. Both teams split their prior two meetings. This was a rematch of last year's Adams Division Finals in which Montreal won in six games. The Quebec Nordiques and Montreal Canadiens battled in a seven-game series. Bitter rivals from the province of Quebec, the Nords shocked the Habs in 1982, only to see a fourth-place Montreal club upset Quebec two years later. In the deciding seventh game at the Montreal Forum, Peter Stastny scored the game and series winning goal, giving Quebec an improbable 3–2 overtime win and berth in the Wales Conference Finals. The franchise did not get to the conference finals again until 1996, their first year as the Colorado Avalanche. They won the Stanley Cup. (P1) Philadelphia Flyers vs. (P3) New York Islanders This was the third playoff series meeting between these two teams. Both teams split their previous two meetings. New York won the most recent meeting in six games in the 1980 Stanley Cup Finals. The Philadelphia Flyers ended the New York