Season 1 of In Suspicious Circumstances premiered on June 3, 1991.

Season 2 of In Suspicious Circumstances premiered on March 30, 1992.

Season 3 of In Suspicious Circumstances premiered on March 16, 1993.

Season 4 of In Suspicious Circumstances premiered on January 4, 1994.

Season 5 of In Suspicious Circumstances premiered on August 5, 1996.