Attack on Titan - Season 4, Episode 15: Soundtracks

Zeke tells his grandfather he wants to be a Warrior; Zeke continues training to be a Warrior; Grisha has Zeke study more about the history of the Eldians

Zeke overhears Grisha and Grice's plan, and Grisha tells Zeke to work harder; Grisha and Dina watch Zeke train

Zeke talks to Eren and gets him to agree to assist his euthanization plan