Free! is a Japanese anime television series produced by Kyoto Animation and Animation Do. The series is loosely based on the light novel, High Speed! , written by Kōji Ōji, which received an honorable mention in the second Kyoto Animation Award contest in 2011 and was published in July 2013. The first season titled, Free! - Iwatobi Swim Club for international distribution, aired in Japan in 2013; and the second season titled, Free! - Eternal Summer, aired in 2014. A third season of the anime series titled, Free! - Dive to the Future, aired in 2018. Hiroko Utsumi directed the first two seasons, while season three was directed by Eisaku Kawanami.