Nobita cannot swim so Doraemon uses a powder on him which makes him able to swim through the ground or anything else solid as though it were water, so he can learn to swim. Bit of nudity.
| Creator | N/A |
|---|---|
| Actor | Nobuyo Oyama, Noriko Ohara, Sachiko Chijimatsu |
| Country | Japan |
| Production | Shin-Ei Animation |