It is the first episode to introduce Fire , Water , and Thunder Stones .
Misty uses her Horsea for the first time since its capture to leave a trail of ink for the group to follow Team Rocket. Pokemon Season 01: Indigo League Episode 40
Ash (Pikachu), Misty (Horsea/Psyduck), and Brock (Vulpix). Notable Facts & Trivia It is the first episode to introduce Fire
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. whereas in the original Japanese version