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.
Then everybody should 
start by warming up.
Dann sollten sich alle erstmal aufwärmen.
¡Entonces todos van a comenzar 
con un ligero calentamiento!
Pues eso, empecemos 
con el calentamiento.
Commencez par vous échauffer.
Forza, iniziate tutti dal riscaldamento.
Todos vocês, comecem a se aquecer.
Тогда начинайте разогреваться.