:In some official English sources, the episode " The March of the Exeggutor Squad " is listed as episode 40. This discrepancy is due to the "Porygon incident" in Japan, which led to certain episodes being rescheduled or skipped during the initial international broadcast.

Depending on how episodes are counted (original broadcast vs. international numbering), this usually corresponds to the following episode: Original Air Date : April 16, 1998 (Japan)

: Ash and his friends discover an abandoned Eevee tied to a tree. They soon find its owner, Mikey, the youngest of the "Eevee Brothers." Each of his older brothers has evolved their Eevee into a different form— Vaporeon , Jolteon , and Flareon —and they pressure Mikey to evolve his too.

: Mikey uses his unevolved Eevee to defeat Team Rocket, proving that Eevee is powerful just the way it is. His brothers eventually accept his choice to keep Eevee in its base form.

: Team Rocket crashes the brothers' party and steals all the Pokémon and evolution stones.