Otohime's terrifying plot that involves all of Edo finally enters its final stage. Gintoki, Katsura, Shinpachi, Kagura and the others make every effort to stop her plans… How will this battle end? And what will be the fate of Earth?!
The Old Age Cannon will fire
in 5 minutes and 30 seconds.
El Cañón Vejez Natural disparará 
en 5 minutos y 30 segundos.
O Canhão da melhor Idade vai disparar
 em 5 minutos e 30 segundos.