Yong-chan and his friends embark on a big adventure to save tiny dinosaurs from greedy villains overtaking their peaceful island home. Kim Seo-yeong, Um Sang-hyun, An Hyun-seo, Kim Jang, Hong Bum-ki, Yang Jeong-hwa, Yeo Min-jeong, Lee Jang-won, Han Shin, Seo Yu-ri, Jung Sun-hye Added on Netflix 2022-02-10.