Gintoki and Takasugi reveal to each other what they've been doing over the past two years, and decide to go save the one thing they never managed to save in the past: their teacher.
And you want to go around 
checking every single one?
وأنت تريد التّحقّق من كلّ واحدة منها؟
Investigarlas todas tú solo
es una locura.
E você diz que vai
examiná-los, todos, sozinho?