Here's the thing: The Secret of NIMH is objectively a masterpiece of animation and storytelling. Don Bluth left Disney to make this, and it shows—the artistry is stunning, the themes are sophisticated, the emotional stakes are real.

But it's also genuinely dark in ways that will catch modern parents off guard. If you're expecting a cozy animal adventure, you're going to get sword fights, blood, death, nightmare-inducing owls, and a pervasive sense of dread. The Horror Press literally wrote an article titled 'The Secret of NIMH Will Scar Your Kids.'

The bigger issue? It's 1982. The pacing is slow. The animation, while beautiful, lacks the kinetic energy kids expect now. Many modern kids will bounce off this before they even get to the scary parts—they'll just be bored.

If you have a mature 9-10 year old who likes darker fantasy (think Watership Down vibes) and can appreciate slower storytelling, this is genuinely enriching. For everyone else, it's a risky pick that may end in tears or 'can we watch something else?'