This is the one that shows up glued to a special-edition CoroCoro, which is exactly the right delivery system for Grandpa Danger. Eight years after the TV shorts, the old man is still the world's great protector, still an expert at falling off cliffs, still weaponizing phlegm and farts at a volume no reasonable person would permit. Grandson is still the load-bearing straight man, and the principal with the inferiority complex is still a walking punchline waiting to be kicked. Nothing about this franchise has ever tried to be more than a gag manga screaming at a grade-schooler's funny bone, and that refusal is the whole appeal. One episode, no arc, no lesson, just the specific joy of buying a magazine for a kid and finding a disc taped to it.
Grandpa Danger returns in this OVA bundle, continuing his reign of chaos and bodily humor. The old man remains exactly what he's always been: a walking disaster zone of spit, flatulence, and inexplicable energy that defies both logic and basic decency. His grandson suffers through another round of humiliation as Grandpa Danger stumbles through life with the grace of a wrecking ball, somehow surviving situations that would obliterate anyone else. Whether he's careening off a cliff, antagonizing the perpetually bitter principal, or transforming bedtime into a nightmare gauntlet, nothing stops this absurd old fool. The comedy lands entirely on shock value and escalating grossness. If you've experienced the earlier series, you know exactly what you're getting: crude humor with zero filter, physical gags that ignore all laws of physics, and a grandson whose exasperation is the only sane anchor in a universe gone haywire. This is comfort food for viewers who want their comedy dumb, relentless, and utterly shameless.