The comedy episode was already introduced to fans at the first episode’s advance screening event held at Omiya Sonic City in Saitama on June 23, but has never been aired on TV. been also available to Crunchyroll members worldwide except for Asia.
You can watch a two-minute digest video for it on Kyoto Animation’s official YouTube channel now.
In addition to the first two episodes, the first DVD/Blu-ray of Free!-Dive to the Future to be released on September 26 will also include an unaired “Episode 0” focusing on a mascot sumo wrestling by Makoto Tachibana at a local event.
「Free!-Dive to the Future-」Blu-ray&DVD Vol.1収録 未放送 第0話ダイジェスト