no
The Philidelphia Flyers went undefeated for a 35 game stretch in the 1979-80 season.
An entire NHL season was cancelled in 2005.
In the 1980 NHL season, each of the 21 teams played 80 games.
About 25
16.
The Winnipeg Jets
The entire 2004-05 NHL season was canceled due to a strike
yes
A record of six NHL teams will be opening the 2010-2011 season in three different European cities.
Since the NHL went to a best of 7 in 1939, there have been 20 undefeated finals champions; the most recent being the Detroit Red Wings in 1998.
As of the 2007-08 season, the two newest teams in the NHL are the Columbus Blue Jackets and the Minnesota Wild who started play in the 2000-01 season.
This season the Average goals scored per game is 6