Ep. 6: Shocking No Breathing!
Aired on August 15, 2013

The swim club members face difficulties at the beach, prompting a reevaluation of their reasons for swimming. Rei questions Makoto regarding his strange conduct during the training camp, leading him to share details about his past with the group.
Episodes
- Ep. 2 · Intense race between Haruka and Rin while Nagisa plans a swim club
- Ep. 3 · Nagisa Persists in Recruiting Track Star Rei for the Swim Club
- Ep. 4 · The Iwatobi Swim Club faces challenges during practice and decides to purchase new swimsuits.
- Ep. 5 · Haruka and Club Members Hold Training Camp While Rei Practices Alone at Night
- Ep. 6 · Shocking No Breathing!
- Ep. 7 · Haruka and Team Improve as Prefecturals Approach and Rin Shares His Motivations
- Ep. 8 · Individual races and past memories complicate the medley relay preparations for the Iwatobi team.
- Ep. 9 · The Iwatobi Swim Club enjoys a relaxing summer festival after their prefectural competitions.
- Ep. 10 · Irritated Heart Rate!