Gintoki and Sakamoto reveal themselves and attack the Double Dragon generals.  Meanwhile, Elizabeth has launched in the Gunsam to battle Dark Vader in a duel to the death.  Elizabeth is helpless against Dark Vader.  That is when Katsura arrives to protect his friend's back!
Why does this robot need 
a pilot in the crotch?!
¡¿Por que un robot necesita un piloto en la entrepierna?!
Por que um robô precisa 
de um piloto na virilha?