23화: 3세트에서 아오바 조사이의 리드가 확대되며 우카이 코치가 과감한 선수 교체를 단행한다.

23

Aoba Johsai begins to pull away in set 3, forcing Coach Ukai to make some drastic decisions. Yamaguchi is subbed in as an ace server, but the pressure proves to be too much to overcome. A service error occurs, but the error allows Karasuno to calm down and climb back within two. (Source: Wikipedia)