Yaya officially joins the Yosakoi Club, making for four members. They make progress on their preparations for the department store event, but they forget to bring their CD. Sally-sensei says she'll "ask her sister", who, as it turns out, is student council president Machi. The four approach their first performance, but…
I must have lost it when 
I took it home yesterday.
لابد أنه ضاع عندما أخذته إلى المنزل بالأمس
Ich hab die CD bestimmt
auf dem Heimweg verloren.
¡Tal vez lo perdí cuando me lo llevé ayer!
¡Tal vez lo perdí cuando me lo llevé ayer!
à tous les coups,
il est tombé du sac
Eu devo ter perdido quando 
levei o CD para casa ontem.