Doraemon
Development and Degradation Radiation
TV-PG
S1 • E91 Jul 16, 1979 7m5.6
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.
