Doraemon S1E91 Development and Degradation Radiation

Doraemon Season 1 Episode 91 Online – 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.