第 12 集: 岩戶游泳社面臨晉級全國大賽的壓力，緊張局勢升溫。
2013年9月26日 播出
The Iwatobi Swim Club must win to advance to nationals. As the tournament draws near, the members get nervous. Meanwhile, Rin grows increasingly irritated. As it comes time for the medley relay, each member must find their own answer as they step up to the start line. (Source: Crunchyroll)