Unsolved History is an American documentary television series that aired from 2002 to 2005. The program was produced by MorningStar Entertainment, Termite Art Productions, Lions Gate Television, and Discovery Communications for the Discovery Channel. The series lasted over three seasons and had a total of 47 episodes, in which a team of people, each with different skills, try to solve historical mysteries. As of 2007, the series airs on Investigation Discovery and occasionally on the Science Channel. However, episodes regarding the military are sometimes aired on the Military Channel.