195 - "The Mask of Death" (Part 2) by Paul Ernst

All weird tales must come to an end, even the world’s weirdest criminal’s. We wrap up these serial adventures with the inexplicable return of Bostiff, the reveal of Doctor Satan’s peculiar plot, and a rare moment of humility from Ascott Keane. But we’re not quite done with Doctor Satan yet… Story by Paul Ernst, first published in Weird Tales , September 1936.