Junior G-Men is a 1940 Universal film serial. It was Universal's 116th serial (and the 48th with sound) of their total of output of 137. The serial 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 of Junior G-Men is a pre-World War II G-Man story about fifth columnists in the United States, with the FBI joining forces with youth to save the country.