Dragon Quest: The Adventure of Dai Season 1 Episode 1 Dai, The Tiny Hero ( Air Date 2020-10-02 ) Genre Animation, Action & Adventure, Sci-Fi & Fantasy category. Overview "Young Dai lives on Dermline Island, where he dreams of being a Hero. One day, a Hero and his companions come to the island. Dai is excited at first, but their true intent is to steal his best friend, Gomechan, the mythical Golden Metal Slime.".