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.
Genres: Action & Adventure , Animation , Comedy , Family , Kids , Sci-Fi & Fantasy
Keywords: anime , based-on-manga , gadget , japan , school-life , time-travel , watch-TV-series-online-free , watch-anime-series-online