This episode adapts content roughly from the early chapters of the manga by Nisio Isin and Akira Akatsuki. If you'd like, I can:

Recognizing Medaka’s tendency to "turn the other cheek," Unzen instructs his ally Yobuko to retaliate with three hits for every one she receives.

Summarize the that follows this episode.

Myoga Unzen is notified that his subordinates, Yoshinogari and Kunisaki, have both been defeated and intercepted by Medaka Kurokami.