In the second room, there is a man who is interested in Metronome. In the Generation I games, he gives away TM35 (Metronome). In FireRed and LeafGreen, he is a Move Tutor for the move instead.
In the third room, there is a scientist who will revive the fossils the player obtained at Mt. Moon and Pewter Museum of Science. After giving him the fossil, the player must leave the lab and return to claim their fossil Pokémon. There is also a third in-game trade here: Seel for a Ponyta in the Japanese Red and Green, international Red and Blue, and FireRed and LeafGreen; a Krabby for a Growlithe in the Japanese Blue; and Muk for Kangaskhan in Yellow.
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.
When Ash and his friends arrived on Cinnabar Island in Riddle Me This, they had planned to visit the Pokémon Lab, although they were dismayed to discover that it was yet another tourist trap. Later, Team Rocket tried to steal all of the Pokémon in it, but were stopped and sent blasting off by Ash and his friends.
In the anime, the Pokémon Lab had a division for Fighting Pokémon.