Hisashi Yamamoto

One day during summer vacation, a palm-sized alien named Papi appears from a small rocket that Nobita picks up. He is the president of Pirika, a small planet in outer space, and has come to Earth to escape the rebels. Doraemon and his friends are puzzled by Papi’s small size, but as they play together using the secret tool “Small Light”, they gradually become friends. However, a whale-shaped space battleship comes to earth and attacks Doraemon, Nobita and the others in order to capture Papi. Feeling responsible for getting everyone involved, Papi tries to stand up to the rebels. Doraemon and his friends leave for the planet Pirika to protect their dear friend and his home.

Nobita accidentally found a fossil dinosaur egg mixed with rocks in the dinosaur fossil exhibition site that he had visited before. He returned it to its original state with the "Time blanket". After hatching, the egg hatches a new species of dinosaur that is not named in the Cosmic Encyclopedia and names them Kyu and Myu Although they want to take care of them secretly, there are dinosaurs in the city still discovered by residents; Nobita and his friends were forced to bring them back to the Cretaceous period 66 million years ago the dinosaurs time. Just the time of Dinosaurs Extinction.

Ryo Saeba es un detective privado, un tanto salido pero muy profesional en su trabajo. Hace equipo con Kaori Makumura y juntos forman “City Hunter”. Para poder contratarlo, sólo hay que dejar un mensaje con las letras XYZ en el tablón de anuncios de la estación de Shinjuku y él se pondrá en contacto para resolver el caso. Ryo tiene por costumbre aceptar sólo casos de mujeres bonitas, lo cual le traerá más de un quebradero de cabeza.