You can catch MEWTWO ,not Mewto, at the end of Cerulean cave
action replay
you can`t YOU HAVE TO TRADE IT BETWEEN GOLD AND SILVER CATCH MEWTO IN GOLD AND THEN TRADE IT TO SILVER I HOPE I HELPED YOU :P FROM LOLPICKET
no
I think that's all you can do in the game
you can't catch him on sapphire but you can on emerald.
with a master ball
yes
Yes,its level is 70.
That's impossible.
You can't catch Arceus in Pokemon heart gold. You must bet it from Pearl, Daimond, or Platinum.
Unfortuenetly u cant catch mewto on emerald only on fire red.green and dimond and pearl! SORRY SUCKERS!!!!!!!
you can still go to cerulean cave to catch it like in firered and leafgreen