Let’s crack open the treasure chest and look at why Ryukendo deserves a spot on your watchlist. The plot is pure comfort food: The world is under attack from "Jamanga" — monstrous beings from another dimension. To fight back, the Earth Defense Force creates the "Madan" (Magic Bullet) system. Enter Kenji Narukami , a loud, reckless, noodle-loving slacker who stumbles into becoming the titular Ryukendo.

To transform, the heroes use a . But here’s the kicker: They insert these keys into a literal keyhole on their belt. Then they turn it. The sound design of that click-whirr-VROOM is auditory serotonin.

Produced by the now-legendary studio Takara Tomy (yes, the toy company), Ryukendo wasn’t backed by the deep pockets of Toei. And honestly? That scrappy underdog energy is exactly why it holds up so well today.

If you grew up in the mid-2000s, your Saturday mornings were likely dominated by the Mighty Morphin’ juggernaut or the slick suits of Kamen Rider . But tucked away in the shadow of these giants lies a forgotten masterpiece of the "garage tokusatsu" era: Madan Senki Ryukendo (2006).