You can't, there's only one time to catch it, and only one way; Master Ball.
You can't catch Mewtwo in Pokemon Diamond and pearl and also platinum. But you can catch Mewtwo in heartgold and soul silver
how do you catch a mewtwo on Pokemon platinum
you can't catch mewtwo he is too tough to catch but if you don't listen to me you are a NOOB
Yes. It is completely possible to catch Mewtwo with an ultra ball.
1. you cant catch mewtwo on ruby emerald or saphire<spelling mistake> you can migrate the mewtwo you catch on leafgreen or firered to migrate to platinum
mewtwo is in kanto it is in cerulean cave
you can catch mewtwo in cerulean cave in cerulean city but first you have to beat the elite four
cerulcean caveyou catch mewtwo in the cerluan cave (its wrong spelling)
you can not
you MUST have a gba slot and migrate mewtwo from the older games it is impossible without cheating or hacking to catch mewtwo in D/P.
No you can't catch Mewtwo in Pokemon silver, you must trade it from Pokemon yellow.
To Catch Mewtwo You Need A Action Replay.