Today's lesson is at the school's pool. Yokoi-san takes it very seriously, while Seki-kun messes around with his friends... and it appears that some familiar robots are back...
During such an important class 
that can mean life or death...
In dieser Stunde geht's 
doch um Leben und Tod...
Si estamos en una clase importante en la que
Estamos dando una lección muy importante
C’est un cours important
qui peut sauver des vies.
Durante una lezione così importante, 
che potrebbe salvare delle vite...
E numa aula importante
dessas, de vida ou morte...