Nobita's father dreams that his father tells him to be strict with Nobita so he gives Nobita a hard time. Nobita and Doraemon travel back to the past and find Grandpa is very strict but secretly has a heart of gold. They explain to him and he goes 30 years to the future to tell dad to be kind to Nobita.
| Creator | N/A |
|---|---|
| Actor | Nobuyo Oyama, Noriko Ohara, Sachiko Chijimatsu |
| Country | Japan |
| Production | Shin-Ei Animation |