The series was first broadcast on August 7, 1967, by the Canal 13, in the form of firmware daily 1 minute in length, which was repeated throughout the day at different times, then coming to the cinema in film format.
The strip stars Hijitus, a street child who lives in a sanitary sewer in the city of Trulalá that is ravaged by the actions of Professor Neurus, among others.
A witch and her owl take possession of the sombreritus and both Neurus and his gang as Hijitus, will be in trouble for the powers of the sorceress who lives in a mysterious castle.
Obsessed with defeating Hijitus, Professor Neurus takes Kechum, a cousin of Pucho who lives in Rosario, to use his brute force.
With the idea of his butler Gutierrez, Gold Silver pretends to be bankrupt, so Oaky, Hijitus and Larguirucho decide to look for work to help him, until they sign up for a singing contest.
Anteojito and Antifáz open an inn where a little barrel sings and dances, giving reasons to the plans of Neurus, to seize the nice man and make him work for him.