Since Crunchyroll merged with Funimation (who held some rights), they have been adding back catalogues.
The movies are generally easier to find than the TV series episodes. Amazon Prime Video Spain and Pluto TV usually rotate the movies (e.g., Shin Chan: El pequeño samurái , Shin Chan: Las aventuras de papá y mamá ). shin chan espa%C3%B1ol espa%C3%B1a capitulos completos