It consists of nothing but Pok mon-speak--similar to the mini-movies that air with each theatrical movie. It's a short special based on life of the Pok mon Slowking. It was never released outside of Japan and Greece, due to it only being a few minutes long. But it was officially dubbed in Russian. (Source: Bulbapedia and Graffitti studio)
Genres: Fantasy, Slice of Life
Watch Yadoking no Ichinichi episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.