Beat the Elite 4 then yhe guy will move and you will be able to catch mewtwo
Cerulean cave
The Cerulean Cave
If you mean, "Wobbuffet", you can catch it in Cerulean Cave.
you can catch mewtwo at cerulean cave
go to the cerulean cave and catch mewtwo
mewtwo is in cerulean cave. the cave in in cerulean city, where misty's gym is. mewtwo in hard to catch, though.
No
You can nly get inside it after beating the game and inside it at the end you can catch Mewtwo.
Cerulean Cave
You can get Mewtwo in the Cerulean Cave.
mewtwo is in cerulean cave
Cerulean cave located near cerulean city.