1979 | 9 Episodes

Season 0 of Hart to Hart premiered on August 25, 1979.

1979 | 22 Episodes

Season 1 of Hart to Hart premiered on September 22, 1979.

1980 | 20 Episodes

Season 2 of Hart to Hart premiered on November 11, 1980.

1981 | 24 Episodes

Season 3 of Hart to Hart premiered on October 6, 1981.

1982 | 22 Episodes

Season 4 of Hart to Hart premiered on September 28, 1982.

1983 | 22 Episodes

Season 5 of Hart to Hart premiered on September 27, 1983.