Nobita's Secret Gadget Museum is a delightful mid-tier entry in the Doraemon film canon. It doesn’t reach the emotional highs of Stand by Me or the epic scale of Steel Troops , but it excels as a cozy, clever mystery-adventure. Kids will love the gadget galore; adults will tear up at the unexpected poignancy of a cat robot’s bell.

The highlight of the film is the museum itself. For a show obsessed with gadgets, creating a "Smithsonian" for them is a brilliant concept. The animation brings the museum to life with a retro-futuristic aesthetic—it feels like a steampunk wonderland. Seeing the "prototypes" of famous gadgets (like the "Whereabouts TV" or the "Anywhere Door") is a treat for long-time fans. It adds a layer of lore to the universe that feels earned and exciting.

★★★★☆ (4/5)