Aipom is back with Ash.
May brings Beautifly and Skitty back to her team for this episode, and Beautifly now knows Psychic.
Drew now has a Butterfree.
Drew, Harley, and Solidad (who is not seen), are all heading to Johto to compete in the Johto Pokémon Contests.
The color of Harley's hair when he first appears in the episode is lighter then normal.
Professor Oak's eyebrows, which are actually black, are painted gray in a few scenes.
This is the final non-cameo appearance of Drew and Harley.
Title Pun: The Unbeatable Lightness of Being.