Season 1 of The Krypton Factor premiered on September 7, 1977.

Season 2 of The Krypton Factor premiered on July 14, 1978.

Season 3 of The Krypton Factor premiered on June 8, 1979.

Season 4 of The Krypton Factor premiered on June 16, 1980.

Season 5 of The Krypton Factor premiered on June 1, 1981.

Season 6 of The Krypton Factor premiered on May 31, 1982.

Season 7 of The Krypton Factor premiered on June 17, 1983.

Season 8 of The Krypton Factor premiered on July 9, 1984.

Season 9 of The Krypton Factor premiered on July 22, 1985.

Season 10 of The Krypton Factor premiered on September 1, 1986.

Season 11 of The Krypton Factor premiered on September 7, 1987.

Season 12 of The Krypton Factor premiered on June 6, 1988.

Season 13 of The Krypton Factor premiered on May 23, 1989.

Season 14 of The Krypton Factor premiered on September 3, 1990.

Season 15 of The Krypton Factor premiered on September 2, 1991.

Season 16 of The Krypton Factor premiered on September 7, 1992.

Season 17 of The Krypton Factor premiered on September 6, 1993.

Season 18 of The Krypton Factor premiered on August 28, 1995.