Nobita's father is old fashioned, so Nobita uses Doraemon's ray gun to make things as they would have been in the past or future, then starts on living things with a mouse de-evolutionized 200,000,000 years to become a large dinosaur and his father evolved into a future man.
| Title | Development and Degradation Radiation |
|---|---|
| Genres | Action & Adventure Animation Comedy Sci-Fi & Fantasy Kids Family |
| Release Date | 1979-07-16 |
| Episode Runtime | 00 Hours 11 Minutes |
| Season Number | 1 |
| Episode Number | 91 |
| Production Companies | Shin-Ei Animation |
