Junior G-Men (1940) is a Universal film serial. It was Universal's 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 pre-World War II G-Man story about fifth columnists in the United States, with the FBI joining forces with children to save the country.
A group of saboteurs called the "Order of the Flaming Torch" who are trying to undermine the "social order" of the United States kidnaps several prominent scientists, including the father of a local street gang member. The gang team up with the FBI and the "Junior G-Men" in order to stop the saboteurs.