In the mobile game Pokémon Go, Eevee evolves into Jolteon, Flareon, or Vaporeon at random. However, if the player names their Eevee after one of the three brothers from this episode (Sparky, Pyro, or Rainer), it will evolve into the form associated with that character.
This episode is one of the times the anime shows real world animals, as James was holding a lobster.
This is the first episode where Misty uses her Horsea after its debut in Menokurage dokukurage (1997).
It is implied in one scene, that if an Eevee is evolved using more than one stone, it could be very dangerous. This is still unknown, since Team Rocket didn't get the chance to use all of the stones at once.
Misty refers to the events of Electric Showdown! Kuchiba Gym (1997) when she tells Mikey that Pikachu decided not to evolve using a Thunder Stone.