Prefecturals are over and the Iwatobi Swim Club members are pleased by the progress they have made.  A local summer festival gives them an opportunity to relax.  When Nagisa finds out that Rin is also at the festival, he orders Rei to follow Rin and make sure that Haruka and Rin do not meet.
Let's start warming up then!
Fangen wir mit dem Aufwärmen an!
¡Entonces, iniciemos con los 
ejercicios de calentamiento!
Vale, pues empecemos con 
los ejercicios de calentamiento.
Bien, commençons par 
les échauffements.
Forza, iniziate gli esercizi di riscaldamento!
Vamos começar a nadar então!
Итак, приступим к разогреву!