Pokemon Masters: Trainers Daishuuketsu Special Animation
Japanese title: 『ポケモンマスターズ』トレーナー大集結スペシャルアニメーション
Type: ONA
Episodes: 1
Source: Game
Genres: Action, Fantasy
Studios: OLM
Producers: DeNA
Duration: 4 min
Rating: PG - Children

Original special animated trailer made to promote the release of the game Pokémon Masters.

(Source: Bulbapedia)