Free! Eternal Summer: Kindan no All Hard!
Japanese title: Free! -Eternal Summer- 禁断のオールハード！
Type: Special
Episodes: 1
Source: Original
Genres: Comedy
Studios: Kyoto Animation, Animation Do
Duration: 23 min
Rating: PG-13 - Teens 13 or older

Unaired episode included with volume 7 of the Blu-ray/DVD.