Released November 5, 1939 and then weekly. Chapters 7 thru 12 of a twelve part serial. A troop of Boy Scouts use a treasure map to find a stash of counterfeit notes and a lost Incan tribe with a secret Radium deposit. G-Men, aerial dogfights and a counterfeiting ring round out the mix.
Chapter 7: Destroyed by Dynamite
Chapter 8: Thundering Hoofs [sic]
Chapter 9: The Fire God Strikes
Chapter 10: The Battle at Ghost Town
Chapter 11: Hurtling Through Space
Chapter 12: The Boy Scouts' Triumph
Jackie Cooper as Bruce Scott, leader of the Scout Troop
David Durand as Rip Rawson
Bill Cody, Jr. as Skeets Scanlon
Vondell Darr as Mary Scanlon
William Ruhl as Hal Marvin, a G-Man on the trail of the counterfeiters
Sidney Miller as Hermie, a Boy Scout
Ivan Miller as Turk Mortensen
Edwin Stanley as Pat Scanlon
Ralph Dunn as Pug O'Toole, a gangster
George Regas as Lukolu, high priest of the lost tribe
Jack Mulhall as Scoutmaster Hale
Jason Robards, Sr. as Doc, a gangster
Dick Botiller as Leeka, Leader of Warriors
Victor Adams as Hurst, a heavy
Max Wagner as Joe, a henchman