Deep inside Cerulean Cave after you get all 16 Badges or after beating Red.
You can find Mewtwo in Cerulean Cave.
Mewtwo is in cerulean cave and tough to get
Mewtwo appears at Cerulean cave.
mewtwo
it is in cerulean cave
yes you can,in cerulean cave
You can find Mewtwo in the back of Cerulean Cave.
You have to Have all 16 Gym Badges and Mewtwo is in Cerculaen Cave
he is in a cerulean cave i beleive
no.its in cerulean cave.
you catch it in cerulean cave
Yes it does, you can catch it in Cerulean Cave.