Cerulean cave
You can't catch Mewtwo in Pokemon Diamond and pearl and also platinum. But you can catch Mewtwo in heartgold and soul silver
Mew can't be catched in Pokemon heartgold, only mewtwo.
U can't in heart gold but u can catch mewtwo
u cant but you can get mewtwo in cerulian cave at lv.70.
No but you can transfer from Leafgreen,Firered to HeartGold,SoulSilver then trade to Black,White!
how do you catch a mewtwo on Pokemon platinum
Yes, Mewtwo, Latios and Latias will be in HeartGold and SoulSilver.
mewtwo
You can catch Mewtwo with any Poké Ball and those include the regular Poké Ball as well as the Great Balls, Ultra Balls, Dusk Balls and Nest Balls.
No you can't catch Mewtwo in Pokemon silver, you must trade it from Pokemon yellow.
you need all the 16 gym badges and then go through the cave
You can't catch Mewtwo in Gold, Silver, or Crystal. But you can catch it in HeartGold and SoulSilver in the Cerulean Cave at Lv70.