After seeing his father and friends drinking beer, Nobita uses Doraemon’s gadget, the Drunken Lid, to get tipsy too!
Nobita uses Doraemon’s Locker Cutter gadget to play tricks on Gian, Suneo, and Shizuka, but they team up with Doraemon to teach him a lesson!
After Suneo brags about his fishing experience, Doraemon and Nobita use a gadget to do underground fishing in the empty lot.
Tamako tells Nobita to complete his homework before he goes out to play. Doraemon helps Nobita with his new echo mountain gadget, but Nobita misuses it on his mother when she falls asleep and steps out to play. Nobita uses the gadget against Gian, as he never sticks to his words. After Nobita and Doraemon return home, Tamako yells at Nobita and makes him complete his homework.
To beat the summer heat, Doraemon gives Nobita pills that turn him into liquid or gas. Nobita uses them to prank his mom and Gian—but when the effects wear off, Gian gets his revenge!
Doraemon takes his 4D Pocket to dry, and assures Nobita that he has a spare 4D Pocket which he can use. When Doraemon goes out on a date with a cat, Nobita takes the original 4D Pocket.