Inspired by their History book, Chavo, Quico and Ñoño use a whistle, a bugle and a toy drum to commemorate the Mexican War of Independence. Meanwhile, Don Ramón tries to stop all the noise, and Doña Cleotilde tries to flirt with him.
Dona Florinda scolds Quico, saying that disobedient children are taken away by the old man with the bag. At the same time, Seu Madruga starts to work selling old things and the children think he has come to take Quico.
Chespirito is a pianist who is going to give a presentation / The boys find a bowling ball in the bag that Seu Madruga was carrying and he takes the opportunity to tell that he played a lot of bowling in his youth.
Don Román (Don Ramón's cousin) goes to the neighborhood to pick up a big box made of wood. When the kids play 'Hide and seek', Quico is locked inside the box. Now Chavo and Ñoño think that "The Witch from No. 71" turned Quico into a box.
Chilindrina returns home, and everyone is delighted, except Doña Florinda. As soon as Chilindrina unpacks her stuff, she plays practical jokes on the neighbors.
Chilindrina tells Quico that the fountain in the second courtyard is a fountain of wishes, so she can get the coins he throws there. But Chavo has the same idea.
Chavo thinks that Don Ramón has rabies, but he only has shaving cream on his face. After Chilindrina solves the problem, she invites Chavo and Quico to play with the shaving cream and pretend they are cooking little cakes with it.
Jirafales gives a cat to Quico as a birthday present. Meanwhile, Don Ramón now distributes firewood with a new bicycle. Quico's cat runs away to the street and Chavo takes the bicycle to try to find the cat. An accident is about to happen.
One week after Chavo accidentally killed Quico's cat with the bicycle, the adults celebrate a symbolic trial to determine if Chavo is innocent or guilty. Jirafales will be the judge, Don Ramón will be Chavo's lawyer, and Doña Florinda the district attorney.
Two spinsters try to seduce two burglars, because they think they are two princes in disguise. / Fed up with their antics, Don Ramón declares war on the kids.
Chavo and Quico are shooting penalty kicks in the patio, Chavo is the shooter, Quico is the goal keeper and Chilindrina is the commentator. When Ñoño sees them, he joins them as well. However, the best kicker turns out to be Doña Florinda.
Don Ramón gives a book about animals to Chilindrina. When the kids see the pictures, they compare animals with the people in the neighborhood. Quico and Chilindrina make riddles about animals, but Chavo is too innocent to understand them.
An attractive woman is looking for an apartment and Don Ramón tries to impress her. However, it won't be easy, because Doña Cleotilde is trying to seduce him and Doña Florinda is trying to hit him.
Chómpiras and Peterete try to rob a house when they see an open window. / Gloria and her niece Patty move to the neighborhood. All the men develop an instant crush on them, and Doña Cleotilde and Chilindrina become jealous.
Chavo and Quico are playing with toy cars. Chilindrina steals one of them and hides it in a secret place. Mr. Barriga's car won't start due to a mysterious reason, and Chavo and Quico pretend that they are real mechanics and try to fix it.
Chavo, Quico and Chilindrina are playing in the patio, pretending that they are paramedics and they have an ambulance and help injured people. However, when they pretend that Quico was run over, the adults think that he really was injured.
Everyone is tired of Chavo's lack of hygiene. Chilindrina and Quico decide to bathe him with buckets of water, but the speedy Chavo will prove to be a difficult prey.
Profesor Jirafales tries to teach Quico how to play the guitar. At the same time, Don Ramón tries to teach Chavo how to play the guitar. However, both teachers fail miserably.