Sir James Blake has retired from Scotland Yard so that he can assist his niece Hope and her friend Jerry in developing an apparatus they have invented. Sir James thinks that their invention has the potential to prevent wars, and plans to donate it to the League of Nations. But a gang of criminals led by the elusive "Scorpion" steals the device, and Blake and his associates must recover the invention and determine the identity of the "Scorpion".
Release Date: January 30, 1937
January 26, 1945
June 10, 1939
August 19, 1938
January 08, 1940
April 20, 1945
April 27, 1922
May 10, 1950
January 26, 1946
January 30, 1937
March 17, 1938
March 17, 1917
December 27, 1941
August 02, 1947
April 24, 1945
October 24, 1944
October 21, 1938
May 06, 1939
July 07, 1945
April 25, 1946
May 29, 1942
