After CBS cancelled Unsolved Mysteries, it later got picked up by Lifetime, where it aired for two more seasons.
Robert Stack was one of the original presenters when Unsolved Mysteries began as a series of TV specials on NBC, alongside The Streets of San Francisco’s Karl Malden and Perry Mason’s Raymond Burr.
Lifetime’s iteration ended in 2002, coinciding with Stack’s prostate cancer diagnosis that preceded his 2003 death due to heart failure.
It aired on NBC for nine seasons before flipping to CBS for the next two seasons, with actress Virginia Madsen begin added as a co-host for Season 11.