|Rōmaji||Toraware no Batafurai!|
|Air Date||July 24, 2013|
|Animation Director||Yukiko Horiguchi|
|← Episode 3||Episode 5 →|
Captive Butterfly! (因われのバタフライ！ Toraware no Batafurai!) is the fourth episode of the Free! anime series. It aired on July 24, 2013.
This club is equipped with safe swimming equipment, but as soon as they start their very first practice, problems occur. "I'm sure that the swimsuit is the problem! We're going swimsuit shopping!".
List of characters in order of appearance: