The Man from U.N.C.L.E. is an American television series that was broadcast on
NBC from September 22, 1964, to January 15, 1968. It followed secret agents, played by
Robert Vaughn and
David McCallum, who worked for a secret international counter espionage and law enforcement agency called
U.N.C.L.E. Originally, co-creator
Sam Rolfe wanted to leave the meaning of U.N.C.L.E. ambiguous so it could refer to either "
Uncle Sam" or the
United Nations. Concerns by the
Metro-Goldwyn-Mayer legal department about using "U.N." for commercial purposes resulted in the producers' clarification that U.N.C.L.E. was an acronym for the
United
Network
Command for
Law and
Enforcement. Each episode had an "acknowledgement" to the U.N.C.L.E. in the end titles.