就在一个晴朗平静的日子里，哆啦A梦（水田山葵 配音）脖子上的铃铛意外被绰号DX的怪盗盗走。大雄（大原惠 配音）通过福尔摩斯套装中联想放大镜的帮助，发现未来世界的秘密道具博物馆有重大嫌疑。拿着哆啦美（千秋 配音）带来的参观券，他们和静香（嘉数由美 配音）、胖虎（木村昴 配音）、小夫（关智一 配音）等好友来到22世纪。辉煌庄严的博物馆内，收藏着被称作“秘密道具之父”的哈尔德曼博士以来发明各代道具。在博士的孙子库尔特（三瓶由布子 配音）的引领下，小伙伴们见识了各种熟悉与陌生的神奇道具，体会到前所未有的快乐。而在此期间，怪盗DX的行动仍在继续，谁也不知道他真正的目的…… 本片为朝日电视台开播55周年纪念作品。
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