BLEACH: Thousand-Year Blood War: Season 2, Episode 3

2 - 3: The Fundamental Virulence

Mayuri receives a call from Urahara, who had stayed behind in Hueco Mundo to search for a way to reclaim everyone’s stolen Bankai. Urahara claims that he was able to come up with a solution based on the data gained from his earlier battle with Quilge.