When Pikachu used Thunder, he used Thunder Shock instead.
At one point during the dancing scene Jynx's feet are colored in red.
When Victreebel bites down to James's head, Jessie calls James's Weezing out instead of him and tells it to use Smokescreen.
This is the first episode since its debut where Ash's Lapras does not appear.
In the scene where Raichu shocks Meowth, Meowth's Japanese voice can be heard in the English version.