1985 | 40 Episodes

Season 0 of Perry Mason premiered on February 23, 1985.

1957 | 39 Episodes

Season 1 of Perry Mason premiered on September 20, 1957.

1958 | 30 Episodes

Season 2 of Perry Mason premiered on September 19, 1958.

1959 | 26 Episodes

Season 3 of Perry Mason premiered on October 2, 1959.

1960 | 28 Episodes

Season 4 of Perry Mason premiered on September 16, 1960.

1961 | 30 Episodes

Season 5 of Perry Mason premiered on September 1, 1961.

1962 | 28 Episodes

Season 6 of Perry Mason premiered on September 26, 1962.

1963 | 30 Episodes

Season 7 of Perry Mason premiered on September 25, 1963.

1964 | 30 Episodes

Season 8 of Perry Mason premiered on September 23, 1964.

1965 | 30 Episodes

Season 9 of Perry Mason premiered on September 11, 1965.