Shin-chan doesn't apologize for being crude. The comedy lands because it commits fully to the bit, whether that's a five-year-old's unfiltered observations about adult bodies or absurdist tangents that derail the plot entirely. You're laughing at something genuinely offensive one moment, then genuinely moved by a kid trying to understand why his mom is tired the next. The specials have the loose, anything-goes energy of comedy that knows it's not trying to win awards. It's the kind of show where a joke about butts lands harder than it should because the delivery is perfect. Shin-chan himself carries it all on pure shamelessness and heart.
Crayon Shin-chan Specials is a 1993 comedy and ecchi and slice of life special from Shin-Ei Animation.