Ep. 231: Nobita uses Multiplication Liquid to preserve his chestnut bun
Aired on December 26, 1979

231
Nobita is determined not to lose his chestnut bun. To achieve this, he retrieves a special item called Multiplication Liquid. This substance has the ability to multiply any object it touches. The multiplication process occurs rapidly, with the object doubling in quantity every five minutes following a single drop. Nobita relies on this property to ensure his snack remains available, utilizing the liquid's unique effect to prevent the loss of his food item.
Episodes
- Ep. 227 · The protagonist's automated packaging device
- Ep. 228 · Doraemon introduces the Hardship Miso gadget that causes actions to become difficult and painful.
- Ep. 229 · Doraemon Transforms the Home into an Athletic Facility While Nobita Is Absent
- Ep. 230 · Nobita and Doraemon use time travel to secure a winning lottery ticket for their father
- Ep. 231 · Nobita uses Multiplication Liquid to preserve his chestnut bun
- Ep. 232 · The unwanted guest is ordered to leave the premises immediately
- Ep. 233 · Nobita constructs a handmade missile to exact revenge on Gian
- Ep. 234 · Creating a younger sibling
- Ep. 235 · Nobita Utilizes Sonic Oscillation Terror Machine to Exploit Gian's Singing