Mouse And Bomb is the 115th chapter of Doraemon manga. Doraemon gets mad when he sees a mouse because it is his most hated. He is so insane that he is going to use the bomb to destroy the entire house.
While Nobita and Doraemon are in Nobita's room, Tamako runs in causing a fuss. The two boys then dismiss Tamako as making a big fuss, and then come to investigate. However, when Doraemon discovers a mouse, he flips out and becomes paranoid.
After this, Doraemon's paranoia leads him to exageratee and shoots, he gives Nobita and Tamko guns, but they don't use them. Instead, both Nobita and Tamako check on Doraemon, who was inaa dark place, paranoid. Doraemon then gets the Bomb of Mass Destruction out, but then soon calms down and becomes normal again. Then Nobisuke comes home, later to realize that Nobita and Tamako are annoyed.