A Pro's Resolve

 (プロの, Puro no Kakugo) is the fourth episode of the fist season and the fourth episode overall of the IDOLiSH7 Anime adaptation being produced by TROYCA. The official air date of the episode was on January 14, 2018.

Overview
It's the day of the TRIGGER concert, and all the boys are excited. However, Yamato, Nagi, and Tamaki are late. As they rush to meet the others at the stadium, they run into someone unexpected...

Characters in Order of Appearance
Characters in italic are only seen briefly and have yet to make a proper appearance.

Song Appearances
Songs in italic are only heard briefly.