Go to Agatha from Lance glitch
This glitch allows you to go back to Agatha's room from Lance's room in Pokémon R/B/Y.
Procedure
- Stand in front of the right door as soon as you enter Lance's chamber.
- Move to the right while pressing Start, and save the game.
- Reset the game. You should be facing right; There is a glitch in R/B/Y that allows you to Surf on the base of the statues, so press Start and use Surf. Instead of going to the right, though, you should go down.
- Continue going down, and you will be in the hallway that connects to Agatha's room.