Jyugo and the gang are killing time teasing the new guard, Seitarou.
One day, a new inmate is sent to Cell 13. Inmate Number 99, Tsukumo.
He looks and acts like a ninja! Uno, Niko, and Rock are excited to see the real thing.
But as a Japanese, Jyugo does not believe him. 
To convince Jyugo that he’s a true ninja, Tsukumo challenges Jyugo to see who can escape from prison...
Building 5, Gokuu!
!غوكو من المبنى 5
Trakt 5, Gokuu! Trakt 13, Sugoroku!
Gokuu del ala 5…
Gokuu del ala 5…
Gokû, au rapport.
Edificio 5, Gokuu!
Prédio 5, Gokuu!
Здание пять, Гокуу!