If you loved Mars Needs Moms, try An American Tail: Fievel Goes West
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 Simon Wells, and they both carry the playful, tender mood tags, and they sit in Adventure / Animation / Family territory. If that's the register that drew you to Mars Needs Moms, the second film will land in a comparable space — through a different lens.
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What An American Tail: Fievel Goes West is
The Mousekewitz family trades tenement squalor for frontier optimism, lured by tales of a cat-free utopia—only to discover their new home is a con job orchestrated by a smirking feline demagogue with ulterior motives.

