The girls meet a new magical girl, Usagi!  But when the new girl turns out to be a monster, they'll have to become "a magical girl who's anxious to fight the enemy that's right in front of them, and a magical girl who's started to get worried about things at the worst possible time, and a perverted magical girl who's getting excited to realize that he's actually a boy!"  Can they break out of the spell and transform by giving a plausible explanation for what they'd do with 150 crabs?
I'll turn you into a
سأحوّلكن
Ich verwandle euch in …
Una sentirá muchas ganas
de pelear contra sus enemigos,
Una sentirá muchas ganas
de pelear contra sus enemigos,
Elles vont devenir une magical girl 
qui veut en découdre avec l’ennemi,
Vi trasformerò
Vocês vão virar