How do you go to professor oak lab?

To reach Professor Oak's lab in the Pokémon games, you'll typically need to progress through the storyline until you gain access to it. In the original games, you must first defeat your rival and receive your starter Pokémon from Professor Oak, who is usually located in Pallet Town. Make sure to follow the main questline and explore the surrounding areas to unlock necessary routes. Once you're ready, head to the lab to meet Professor Oak and receive your Pokémon.