Season 0 of The Rookies premiered on March 7, 1972.

Season 1 of The Rookies premiered on September 11, 1972.

Season 2 of The Rookies premiered on September 10, 1973.

Season 3 of The Rookies premiered on September 9, 1974.

Season 4 of The Rookies premiered on September 9, 1975.