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...
Does the middle-aged dude look 
like a blue robot-cat to you?
¿Piensas que ese tipo es como 
aquel gato-robótico azul?
¿Piensas que ese tipo es como 
aquel gato cósmico azul?
Você acha que o tiozão é
 um robô de gato azul?