In "Secret Service of the Air" (1939), Ronald Reagan makes his debut as the fearless federal agent Brass Bancroft and attempts to bust up an illegal alien-smuggling ring. With John Litel, Ila Rhodes. Next, "Code of the Secret Service" (1939), has Bancroft trying to stop some money counterfeiters in Mexico. Reagan, Rosella Towne, Eddie Foy, Jr. star. Then, Secret Service agent Bancroft is "Smashing the Money Ring" (1939), when some jailhouse crooks start printing phony bills. With Reagan, Margot Stevenson. Lastly, "Murder in the Air" (1940) features Bancroft squaring off against some saboteurs who are destroying war deliveries. Stars Reagan, Litel, Lya Lys. 3 3/4 hrs. total on two discs. Standard; Soundtrack: English Dolby Digital mono.