Season 1 of ICAC Investigators premiered on March 1, 1976.

Season 2 of ICAC Investigators premiered on March 1, 1978.

Season 3 of ICAC Investigators premiered on June 27, 1981.

Season 4 of ICAC Investigators premiered on May 19, 1985.

Season 5 of ICAC Investigators premiered on July 17, 1989.

Season 6 of ICAC Investigators premiered on February 18, 1992.

Season 7 of ICAC Investigators premiered on July 25, 1994.

Season 8 of ICAC Investigators premiered on September 23, 1996.

Season 9 of ICAC Investigators premiered on November 2, 1998.

Season 10 of ICAC Investigators premiered on February 12, 2001.

Season 11 of ICAC Investigators premiered on April 19, 2004.

Season 12 of ICAC Investigators premiered on September 3, 2007.

Season 13 of ICAC Investigators premiered on September 28, 2009.

Season 14 of ICAC Investigators premiered on November 5, 2011.

Season 15 of ICAC Investigators premiered on April 7, 2014.

Season 16 of ICAC Investigators premiered on April 23, 2016.

Season 17 of ICAC Investigators premiered on April 8, 2019.

Season 18 of ICAC Investigators premiered on May 2, 2022.