A 15 episode serial in which Blake battles the "Scorpion" over possession of a 'death ray' machine.

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Main Cast: Ralph Byrd, Herbert Rawlinson, Joan Barclay, Lloyd Hughes, Dickie Jones, Lucille Lund, Nick Stuart, Sam Flint, Gail Newbury, Jimmy Aubrey

Director: Robert F. Hill

Writers: Robert F. Hill, William Buchanan, Basil Dickey

Editor:

Cinematographer:

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