Episodes 11.5 and 12.5 of Rakshasa Street.

Although traumatized by witnessing the murder of his parents by one of the Choushuu, Ichimura Tetsunosuke's thirst for revenge lead him to desire strength. At the age of 15, Tetsunosuke approached the Shinsengumi, wanting to become one of its members. However, Tetsunosuke lacked the skill, mind and will to emotionlessly cut down whoever threatened peace and the Shinsengumi. Even with the support of his brother Tatsunosuke and his newfound friends of the Shinsengumi, little did Tetsunosuke know the blood and pain he would have to face being part of this historical group.

Nobita, who visited the dinosaur exhibition with his friends, and in a fossil excavation experience vows to his friends that he will discover a dinosaur and dares to eat peanuts with his eyes if he does not fulfill the dare. As he left the excavation experience he trips over a rock, and suspects he has found a fossil egg. He goes home and convinces Doraemon to use "time wrapping cloth" on the fossil egg and twin dinosaurs emerged. Doraemon found that they are a new species of dinosaur not listed in the "Complete Encyclopedia of Space". Nobita named the twin dinosaurs Kyu and Myu, and under the advice of Dr. Dinosaur learned how to take care of them. The two fast-growing animals gradually showed a difference. While Myu has learned to fly, Kyu has not and was smaller in size than Myu. As Kyu and Myu grew bigger, Nobita's room was not enough so they used the "Breeding diorama set" to allow Kyu and Myu more freedom. The day where Nobita fulfills his dare came, and as his friends arrived they discovered that Nobita has indeed found a dinosaur. At this point Kyu and Myu made a lot of commotion leading to Nobita's mom to come upstairs. They tried to hide Kyu and Myu by using the "spatial movement crayon", however, the townspeople saw Kyu and Myu. They realized Kyu and Myu reached the limit of growth, and should return to their time. Nobita had trouble accepting this, but decided it might be the best option.

Kimagure Orange Road OVA is basically the extension from the TV series. The time frame is probably in the middle of the TV series. Order to view with the TV series. White Lovers - among the episodes 35 and 45 Hawai Suspence - among the episodes 17 and 25 I was a cat, I was a fish - among the episodes 17 and 30 Hurricane Akane, the shape-shifting girl - among the episodes 20 and 25 Spring is for Idols - among the episodes 23 and 30 Birth of a Star - Right after "Spring is for Idols" Unexpected Situation - after the OAV of Akane Message in Rouge - after the episode 48