S3E08 Metamorphosis of the Soul!

Metamorphosis of the Soul! (魂のメタモルフォーゼ！ Tamashii no Metamorufooze！) is the eighth of season three of the Free! anime, and the thirty-third episode of the overall series. It aired on August 29, 2018.

Synopsis
Ikuya Kirishima and Haruka Nanase face off in the Individual Medley, mending their middle school rift. Hiyori Tonoand Ikuya also make amends, swimming the relay as Shimogami University teammates against Haruka's Hidaka University team. Ryuji Azuma watches, commenting that Haruka has yet to reach his full potential. Natsuya Kirishima reunites with Ikuya and reveals his newfound goal of swimming on the global stage, then apologizes to Hiyori for his absence. Finally, Hiyori, with a better understanding of Haruka and confidence in his friendship with Ikuya, is comfortable seeing his friend spend time with his middle school comrades once more.

Source: Wikipedia, with author's permission.

Characters
List of characters in order of appearance: