Season 1 of G.P. premiered on March 7, 1989.

Season 2 of G.P. premiered on February 13, 1990.

Season 3 of G.P. premiered on February 12, 1991.

Season 4 of G.P. premiered on February 11, 1992.

Season 5 of G.P. premiered on February 23, 1993.

Season 6 of G.P. premiered on February 15, 1994.

Season 7 of G.P. premiered on February 21, 1995.

Season 8 of G.P. premiered on March 5, 1996.