Release Date: 26 August 1939
The "unseen guardians" of the title are the Postal Inspection Service, which investigates mail order racketeering; the Underwriters' Laboratories, which are shown testing electrical equipment, fire extinguishers, and large floor safes; and those who run orphanages, who assure that the children in their care are placed in proper adoptive homes.
Runtime: 11 min
Vote Average: 7
Vote Count: 1
Production Companies : Metro-Goldwyn-Mayer,
Production Countries: United States of America
Budget: $ 0