yo go out of the veridian forest and talk to prof oaks aid and he gives it to you nooooooooooooooooooooooooooooooooooooooooo
a city
You need at least the first badge to use flash.
other side of diglett tunnel
one of professor oaks aides gives it to you
get the item flash
look you go to digglet cave and get out of it in the other side then there will be a tree that needs cut after you cut it there is a building beside it go to that building and there a professor that asks you if you have 10 pokemons in pokedex if you do he will give you flash
in front of a cave not sure which 1 tho
it's either cut or flash i cant remember
You cant find it in Firered only leafgreen.
use the move Flash (TM70)
While it was possible to find missingno. in Red version, it is not possible to find it in FireRed.
cut,fly,surf,streangh,flash,rocksmash and water fall