The Mechanical Monsters| Superman (1941)

Step back into the Golden Age of animation with The Mechanical Monsters — the second Technicolor Superman short produced by the legendary Fleischer Studios and originally released on November 28, 1941. This classic adventure showcases Superman at his early cinematic best, pitted against a mysterious inventor and his army of towering, fire‑spewing robots.
When a series of daring robberies strikes Metropolis, Clark Kent and Lois Lane find themselves in the middle of a high‑stakes mystery. As the villain’s mechanical creations raid museums and banks, only Superman has the strength — and speed — to stop them. Featuring iconic robot designs, fluid animation, and the unmistakable voices of Bud Collyer and Joan Alexander, this short remains one of the most influential pieces of superhero animation ever created.