Nobita and Friend created a special effects movie that acquainted with the little boy came from the stars, Pirika Papi. Suddenly, a Space Battleship appeared in front of them.
Papi has been in exile from President of Pirika star, Pirika Planet’s intelligence agencies fell into the hands of dictators PCIA Gilmore, and they’ve been tracking him through the earth. But Nobita promise to protect Papi Nobita, later Shizuka was taken hostage , and Doraemon’s “Small Light Gadget”was stolen. In exchange for custody for Papi.
Nobita and Friend create tanks to rescue Papi back.