The 2005 CFL season is considered to be the 52nd season in modern-day Canadian football, although it is officially the 48th Canadian Football League season.
The 2004 CFL season is considered to be the 51st season in modern-day Canadian football, although it is officially the 47th Canadian Football League season.
The 2003 CFL season is considered to be the 50th season in modern-day Canadian football, although it is officially the 46th Canadian Football League season. The pre-season began on May 30, 2003 and the regular season started on June 17, 2003. Taylor Field in Regina, Saskatchewan hosted the 91st Grey Cup on November 16, with the Edmonton Eskimos defeating the Montreal Alouettes 34–22.
The 2002 CFL season is considered to be the 49th season in modern-day Canadian football, although it is officially the 45th Canadian Football League season.
The 2001 CFL season is considered to be the 48th season in modern-day Canadian football, although it is officially the 44th Canadian Football League season.
The 2000 CFL season is considered to be the 47th season in modern-day Canadian football, although it is officially the 43rd Canadian Football League season.
The 1999 CFL season is considered to be the 46th season in modern-day Canadian football, although it is officially the 42nd Canadian Football League season.
The 1997 CFL season is considered to be the 44th season in modern-day Canadian football, although it is officially the 40th Canadian Football League season.
The 1996 CFL season is considered to be the 43rd season in modern-day Canadian football, although it is officially the 39th Canadian Football League season.
The 1987 CFL season is considered to be the 34th season in modern-day Canadian football, although it is officially the 30th Canadian Football League season.
The 1986 CFL season is considered to be the 33rd season in modern-day Canadian football, although it is officially the 29th Canadian Football League season.
The 1982 CFL season is considered to be the 29th season in modern-day Canadian football, although it is officially the 25th Canadian Football League season.
The 1980 CFL season is considered to be the 27th season in modern-day Canadian football, although it is officially the 23rd Canadian Football League season.
The 1979 CFL season is considered to be the 26th season in modern-day Canadian football, although it is officially the 22nd Canadian Football League season.
The 1978 CFL season is considered to be the 25th season in modern-day Canadian football, although it is officially the 21st Canadian Football League season.
The 1977 CFL season is considered to be the 24th season in modern-day Canadian football, although it is officially the 20th Canadian Football League season.
The 1971 CFL season is considered to be the 18th season in modern-day Canadian football, although it was officially the 14th Canadian Football League season.
The 2006 CFL season is considered to be the 53rd season in modern-day Canadian football, although it is officially the 49th Canadian Football League season.
The 2008 CFL season was the 55th season of modern-day Canadian football, the 51st season for the Canadian Football League. It was also the first CFL season in which all of the league's regular season and post-season games, including the Grey Cup game, were aired on TSN. This meant the CFL was no longer aired on broadcast television in Canada. As of 2008, TSN was available in approximately 8.8 million of Canada's 13 million households. Montreal hosted the 96th Grey Cup at Olympic Stadium on November 23, when the championship was won by the Calgary Stampeders.
The 2010 CFL season is the 57th season of modern-day Canadian football. Officially, it is the 53rd Canadian Football League season. Commonwealth Stadium in Edmonton hosted the 98th Grey Cup on November 28 when the Montreal Alouettes became the first team to repeat as Grey Cup Champions in 13 years, defeating the Saskatchewan Roughriders, 21–18. The league announced on its Twitter page on January 29, 2010 that the season would start on July 1, 2010. As of 2021 this is the most recent CFL regular season to start in July.
