The red-haired girl in the shorts never gives her name to any character. Yet at the end of the episode, Nurse Joy refers to her as "Misty." This becomes her official name for the rest of the series and everyone just automatically seems to know her name.
Right before Team Rocket threw the bomb at the Pokémon center in the balloon, Jessie has no lipstick on in one shot, but does in all others.
When the Power Pikachu come out, who is generating the Power Supply? Ekans bit off the wires.