Doraemon: Gadget Cat from the Future

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Doraemon: Gadget Cat from the Future
Doraemon: Gadget Cat from the Future

'Calm Down, Big G!' - Doraemon shows Nobita a gadget that, when pressed against an angry person's mouth, calms that person's anger, and Nobita decides to use it on Big G. Unfortunately, the gadget has explosive consequences when used too much.