You have to trade it in from Generation III.
You can't get Mewtwo in Pokemon Pearl.
yes,mewtwo is in Pokemon dimond/pearl
Trading
NO!!
Pokemon pearl ds card is smaller then a action replay
you tern on your ds and tap Pokemon pearl
NO!this wise guy is wrong! you can find mewtwo on Pokemon pearl. in pal park after you defeat the elite four and you have to migrate it from firered or leafgreen.
Mewtwo is not obtainable in Pokemon DPPt. Trade it over from another game or AR.
No, you have to transfer it from the older DS Pokemon games.
You can't catch Mewtwo in Pokemon Diamond and pearl and also platinum. But you can catch Mewtwo in heartgold and soul silver
you can not get mewtwo in Pokemon ruby,sapphire,leafgreen or fire you can only get him on pearl ,dimond and platinum
You can get the Pokemon in Sinnoh. If you go to Pokemon.com, you can see them.