The Iwatobi Festival has begun! Haruka and friends are fired up for the Club-versus-Club Relay Race, hoping to attract new members by putting in an impressive performance. Meanwhile, Rei begins training but is worried by the fact that he can still only swim the butterfly stroke…
Like two bodies in perfect harmony!
 كجسمين في تناغم تام
Wie zwei Körper in 
perfekter Harmonie!
¡Como dos cuerpos en perfecta 
armonía, Club de Natación!
¡Como dos cuerpos en perfecta 
armonía, club de natación!
Le club de natation
est synchro !
Sono due corpi in perfetta armonia!
Como dois corpos em completa
 harmonia, Clube de Natação!
Как будто два тела в гармонии!