Junior GMen 1940 is a Universal film serial. It was Universals 116th serial and the 48th with sound of their total of output of 137. It is one of the three serials starring The Dead End Kids and Little Tough Guys who were under contract to Universal at the time. The plot is a preWorld War II GMan story about fifth columnists in the United States, with the FBI joining forces with children to save the country.
Source: Wikipedia