In the dub, in the scene where the group is being chased by the pink Nidoking, Misty calls out for her Starmie before Psyduck comes out. However, Starmie was left at the Cerulean Gym more than twenty episodes before.
American Title: "In the Pink!"
This is the second episode Togepi uses Metronome, and the first time Misty suspects that it knows this move.
Tracey's Marill is revealed to know Water Gun, though it is not seen using the move until two episodes later.
This is also the second episode in a row in which an unusual Pokémon sends Team Rocket blasting off by hitting them with its tail.