Professor Oak's Laboratory/Manga/Pokémon Adventures

The laboratory first appeared in A Glimpse of the Glow, where went to see. The first view of the inside of the lab was seen in Bulbasaur, Come Home!, and was shown to have machines, tables, bookshelves, a glass container full of water and a Poké Ball storage area. Red accidentally let all the Pokémon in the laboratory out of their Poké Balls, with some even escaping the building altogether, forcing Red and Professor Oak to chase them.

In Kalling Kadabra, Sabrina's Kadabra disguised itself as Professor Oak, rampaging around the place in front of Red. Sabrina herself also briefly appeared, giving Red a message to come to Saffron City. then arrived with his, showing Red a picture of Saffron City, which had been taken over by Team Rocket and was where they kept the citizens of Pallet Town they had imprisoned.

The laboratory was once again seen in Return to Pallet Town, when Red and Blue received messages from Professor Oak to return their Pokédexes. This was later revealed to be a trap set by Team Rocket, intending to force Professor Oak to create them their own version of the Pokédex in preparation to capture.

In Pokémon Adventures, works as Professor Oak's assistant at the lab.