Pokemon Generations
English title: Pokémon Generations
Japanese title: ポケモンジェネレーションズ
Alternative titles: Pocket Monsters Generations
Type: ONA
Source: Game
Episodes: 18
Status: Finished Airing
Aired: Dec 9, 2016 to Feb 2, 2017
Duration: 4 min per ep
Rating: PG - Children
Studios: OLM
Licensors: The Pokemon Company International
Genres: Action, Adventure, Fantasy
Themes: Strategy Game
Demographics: Kids

Pokémon Generations revisits each generation of the Pokémon video game series to shed new light on some timeless moments. From the earliest days in the Kanto region to the splendor of the Kalos region, go behind the scenes and witness Pokémon history with new eyes!

(Source: Official site)