The upcoming TV Anime DRAGON QUEST: The Adventure of Dai has released the latest key visual for the anime and the date for the premiere, the broadcasting for the anime will begin this October 2020, the TV anime will be animated by Toei Animation.
They also released the two new cast for the upcoming TV anime.
– Brass (CV: Kenichi Ogata)
– Gome-chan (CV: Ai Furihata)
Source: Dragon Quest Dai Official Japanese Website