Professor Oak reveals that the two other Trainers who left Pallet Town with Ash and Gary did not succeed as Trainers.
Ash and his friends meet Gary again at Professor Oak's Laboratory.
Professor Oak encounters Team Rocket for the first time.
Gary is revealed to have obtained a Doduo and own more than 200 Pokémon from up to 60 different species.
This is one of the few episodes that reveals a passage of time.