Only film so far where Ash does not have travelling companions.
After Risa catches an Eevee she lets it out to play with Pikachu. The scene changes to the two of them together. This is a reference to the Let's Go games.
The only movie where Ash's only shown Pokemon is Pikachu.
The last Pokémon film to be broadcast on television in North America. Starting with Pokémon: Mewtu schlägt zurück - Evolution (2019), all future Pokémon films will stream on Netflix.
This is the first movie since Pokémon - Der film: Mewtu gegen Mew (1998) to have a post-credits scene.