Season 12016  |  25 Episodes
 Season 1 of ALL OUT!! premiered on October 7, 2016.
Kenji Gion is a Short first-year high school student.  On his first day in Kanagawa Prefectural High School, he meets the tall Sumiaki Iwashimizu during a game of rugby.  Kenji Strikes a friendship with Sumiaki, and soon joins the rugby club.