Gintoki was thrown in prison after being framed, and while he's made an enemy of the warden, he's managed to become the boss of the prisoners.  With his underling Shachi in tow, Gintoki skips his menial labor duties to search the warden's room for anything incriminating.  Understanding that the punishment will be fatal if they are caught, Gintoki disguises himself by putting on pajamas...
they won't even bother sending us to the disciplinary room.
ni siquiera se molestarán en enviarnos a la celda de confinamiento.
nem vão se dar ao trabalho 
de nos disciplinar.