Mission: Impossible is a television show.
The Impossible Missions Force ( IMF ) is a fictional agency with varying designations depending on the medium , an independent espionage agency in the television version or a governmental agency of the United States government in the film version . Mission: Impossible . It chronicles the missions of a team of secret government agents known as the Impossible Missions Force ( IMF ) . Mission: Impossible (film) . The film 's success spawned the Mission : Impossible film series .