The Sket-dan get a new assistant homeroom teacher (who wants everyone to call her, Onee-san), but she's a klutz and is upset she can't be a good role model for the students, so the Sket-dan ask Chuu-san to help with some of his strange drugs. Later, Switch goes through some old inventions of his that didn't work out as intended...
But since they're hovering in the air, the 
shoe's can't make contact with the ground.
Pero como están flotando en el aire, los 
zapatos no entran en contacto con el suelo.
Pero como están flotando en el aire, los 
zapatos no entran en contacto con el suelo.
Mas como eles flutuam no ar, eles 
não conseguem contato com o solo.