Starman in "The Blaze of Doom"
Starman vs. criminals setting forest fires to sabotage lumber harvesting for the war effort.
Shining Knight in "Movie-Making Menace"
Hourman in "Death at the Opera"
Hourman vs. The Mask, a fired opera conductor who kills his replacement and terrorizes the opera that fired him.
Steve Conrad in "Tyrant of the Island Tago-Tago"
The Federal Men in "Spies! The Destroyer of Modern Civilization"
Paul Kirk in "The Spanish Banker"
Sandman in "Crime on Ice"
Sandman vs. a criminal forcing a scientist to freeze his victims.