While travelling through the woods, Ash, Misty, and Brock find an abandoned tied to a tree. They take it to the address on its collar in Stone Town , where they discover it belongs to a young boy named Mikey .
In the English dub, Jessie suggests using all three stones at once on Eevee to see what happens, whereas in the original Japanese version, she suggests letting Eevee choose its own evolution. Pokemon Season 01: Indigo League Episode 40
Misty uses her Horsea for the first time since its capture to leave a trail of ink for the group to follow Team Rocket. While travelling through the woods, Ash, Misty, and
Mikey’s three older brothers——are pressuring him to evolve his Eevee into one of its three known forms (Vaporeon, Jolteon, or Flareon) at an ongoing Evolution Party . Mikey, however, wishes to keep Eevee as it is. Misty uses her Horsea for the first time
While "The Battling Eevee Brothers" is officially Episode 40 in most English lists, it is sometimes listed as Episode 43 in Japanese production order due to the temporary hiatus following the "Electric Soldier Porygon" incident.