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.
Hey, hey! Who was that?
أنت، أنتِ! من كانت؟
Hey, sag, wer war das?
Oye, ¿quién era esa?
Oye, ¿quién era esa?
Dis, c’était qui, cette fille ?
Scusa, quella chi era?
Ei, ei, quem era essa?
Эй, эй! А кто это был?