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.
There's a whole lot she doesn't know!

!إنّها لا تفقه شيئًا
Sie hat keine Ahnung.
Parece que no sabe nada.
Parece que no sabe nada.
Ça fait beaucoup
de « je sais pas » !
Non sa proprio nulla!
Ela não sabe de nada!
Ничего она не знает!