This episode marks the first time a Mythical Pokémon makes an appearance in the main anime.
Ash and his friends meet Solana and learn about Pokémon Rangers.
This is the first episode of the anime in which Plusle appears but Minun doesn't.
The Cycling Road in this episode is very different from its appearance in Storm on Cycling Road (1997). In the first appearance, the bridge was surrounded by a sea while in this episode it is surrounded by a forest. The structure of the bridge has noticeably changed as well.
Ash's Pikachu masters Volt Tackle.