| 1886 |
Plymouth Argyle founded (as Argyle FC) |
| 1920/1921 |
Founder member of Division Three South |
| 1921/1922 |
Division Three South runners-up |
| 1922/1923 |
Division Three South runners-up |
| 1923/1924 |
Division Three South runners-up |
| 1924/1925 |
Division Three South runners-up |
| 1925/1926 |
Division Three South runners-up |
| 1926/1927 |
Division Three South runners-up |
1929/1930
|
Division Three South champions
Promoted to Division Two
|
| 1949/1950 |
Relegated to Division Three South |
1951/1952
|
Division Three South champions
Promoted to Division Two
|
| 1955/1956 |
Relegated to Division Three South |
1958/1959
|
Placed in Division Three on League re-organisation
Division Three champions
Promoted to Division Two
|
| 1964/1965 |
League Cup semi-finalists |
| 1967/1968 |
Relegated to Division Three |
| 1973/1974 |
League Cup semi-finalists |
1974/1975
|
Division Three runners-up
Promoted to Division Two
|
| 1976/1977 |
Relegated to Division Three |
| 1983/1984 |
F.A. Cup semi-finalists |
1985/1986
|
Division Three runners-up
Promoted to Division Two
|
| 1991/1992 |
Relegated to Division Three |
| 1992/1993 |
Division Three renamed Division Two |
| 1993/1994 |
Not promoted after play-offs |
| 1994/1995 |
Relegated to Division Three |
| 1995/1996 |
Promoted to Division Two after play-offs |
| 1997/1998 |
Relegated to Division Three |
2001/2002
|
Division Three champions
Promoted to Division Two
|
2003/2004
|
Division Two champions
Promoted to Division One
Division One renamed the Championship
|
2009/2010
|
Relegated to League One
|
| 2010/2011 |
Relegated to Football League Two |
