It's on island 2. You have to have friend along for it to work.
In the game corner
Buy it in the game corner.
In the Pokemon game corner
Kill THEM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Next to the Celadon game corner
You can buy the TM at the game corner for 4,000 coins.
in the safari zone or you can buy it at the game corner
Obviously it's in Celadon City.
On two island his house in next to the game corner.
you can only buy it from the game corner in the city with erika
Defeat Giovanni in Celadon Game Corner and he will give you it.
You need the silph scope which you get in the rocket game corner.