Pokemon (2019): Harukanaru Aoi Sora  

Pokémon: Distant Blue Sky!, Pocket Monsters: Harukanaru Aoi Sora, ポケットモンスター 遥かなる青い空, Pokémon - The Distant Blue Sky, Pokémon: The Distant Blue Sky, Pokémon: Blå himmel i det fjerne! , Pokémon: Avlägsen blå himmel

A one-episode story depicting the encounter between the mysterious boy Haruto and Satoshi.(Source: Translated from official Twitter account)