The Iwatobi High School Swim Club is participating in a joint training camp with the Samezuka Academy and Soufuukan High School teams. Sousuke is also participating as an alumnus. In the midst of the excitement, Rei and Nagisa notice that something is odd about Romio's swimming. Then Shizuru tells them the story of what happened to Romio in middle school...
and we've decided to finish with a 
medley relay between all three schools.
وقد قرّرنا أن نختتمه بسباق التتابع المتنوّع
بين المدارس الثلاث
und wir haben beschlossen, es mit einer
Lagenstaffel aller drei Schulen zu beenden.
y decidimos terminar con un relevo
combinado entre las tres escuelas.
y decidimos terminar con un relevo
combinado entre los tres institutos.
E decidimos terminá-lo com um
revezamento medley entre as três escolas.
и мы решили закончить его комбинированной
эстафетой между тремя школами.