To get the now-childlike Mona onto their team officially, G-Wrench and the team visit league registration. It's revealed that Mona can use a Fight Burst, but doesn't remember how to do it. As Kara's suspicions grow, Professor Pi's team Q.E.D. challenges them to a match.
What was that?
ماذا كان ذلك؟
Was war das?
¿Qué fue eso?
¿Qué ha sido eso?
Ma cos'era?
O que é aquilo?
Что это?