1971 | 2 Episodes

Season 0 of Cannon premiered on March 26, 1971.

1971 | 24 Episodes

Season 1 of Cannon premiered on September 14, 1971.

1972 | 24 Episodes

Season 2 of Cannon premiered on September 13, 1972.

1973 | 26 Episodes

Season 3 of Cannon premiered on September 12, 1973.

1974 | 24 Episodes

Season 4 of Cannon premiered on September 11, 1974.

1975 | 25 Episodes

Season 5 of Cannon premiered on September 10, 1975.