This is the first time in the anime where more than two Pokémon belonging to main characters have evolved in a single episode, as well as the first time where more than one Pokémon belonging to a single main character evolve in the same episode.
Goh's three Wurmple each evolve into Cascoon.
The Cerise Laboratory is revealed to be haunted by a Gengar, which Goh unsuccessfully tries to catch.
This is the first episode where Goh doesn't catch a new Pokémon since he started catching Pokémon in Kabigon Became Gigantic!? The Mystery of Daimax!! (2019).