If you loved The Mechanical Monsters, try Superman
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Dave Fleischer, and they both carry the playful mood tag, and they sit in Action / Adventure / Animation / Family / Fantasy / Science Fiction territory. If that's the register that drew you to The Mechanical Monsters, the second film will land in a comparable space — through a different lens.
playful
What Superman is
Even in black-and-white the cape looks unwieldy. When Superman learns a death-ray plans to clear Metropolis after lunch, he finds the only defense is staying busy. It’s less caped crusader than over-caffeinated babysitter.

