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?!
Are they going to stop the Heavenly
Old Age Cannon from firing?
¿Van a evitar que use el 
Cañón Vejez Natural?
Querem evitar que o Canhão 
da Melhor Idade dispare?