Doraemon Season 1 Episode 87 Space Mountain Tai, The Postpart ( Air Date 1979-07-11 ) Genre Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy, Kids, Family category. Overview "After a few narrow escapes, Doraemon and Nobita feed mealie pellets (which make any animal tame) to a load of dinosaurs. Doraemon fixes his time machine to a hut door so when Tai and his producers walk through the door, they are 150 million years ago. The show becomes a success thanks to the "real looking dinosaurs and scenery" which cost nothing.".