To let the dying dog Kintaro see its owner for one last time, Kagura and Katsura sneak it out of the hospital…only to find themselves caught in the war between the “Planet Eaters” (dogs) and “Planet Pukers” (cats), while Earth’s fate hangs in the balance. Escaping from the Planet Pukers, who are after Kintaro, the two head to the hospital where the old man is hospitalized. Meanwhile, the old man, who is supposedly in critical condition, goes missing. The old man’s children request Gintoki’s services, but when he arrives at the hospital…
That's the risk we must take in order to stop this new menace!
Es el riesgo que debemos asumir 
para detener esta nueva amenaza.
É o risco que temos que tomar 
para impedir uma nova ameaça!