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!
When Earthlings and Renho 
play Uno, follow space rules.
Cuando los Terrícolas y los Renho juegan 
Uno, se deben seguir las reglas del espacio.
Quando terráqueos e Ren'ho jogarem 
Uno, seguirão as regras do espaço.