The Man of Steel fights a mad scientist who is destroying Metropolis with an energy cannon.
Superman – The Mad Scientist
Released: 26 Sep 1941
Directed By: Dave Fleischer
Written By: Jerry Siegel (comic strip created by: Superman), Joe Shuster (comic strip created by: Superman), Seymour Kneitel (story), Izzy Sparber (story)
Starring: Joan Alexander, Jackson Beck, Bud Collyer, Jack Mercer