Season 1 of 21 Jump Street premiered on April 12, 1987.

Season 2 of 21 Jump Street premiered on September 20, 1987.

Season 3 of 21 Jump Street premiered on November 6, 1988.

Season 4 of 21 Jump Street premiered on September 18, 1989.

Season 5 of 21 Jump Street premiered on October 13, 1990.