The 1st day of the swimming lesson! Even Goma-chan looks happy to be swimming in a large pool! Sakata-kun decides to cheat and grabs on Goma-chan’s tail to win the race, but the surprised Goma-chan starts to swim fast! Mr. Tendou tries to help Sakata-kun, but he starts to race Goma-chan instead. Meanwhile, Ashibe-kun and Yuma-kun decides to teach Yumiko-chan and Mao-chan how to swim. Will the two learn how to swim?
You'll be fine.
No te preocupes. Divirtámonos en la piscina.
No te preocupes. 
Divirtámonos en la piscina.
Ne t’en fais pas !
Stai tranquilla.
Pensiamo a divertirci in piscina.
Não se preocupe, é divertido