Question about Pokemon games

[pIkA?!?!]

Hi guys i was wondering if any of you guys would know if theres a pokemon game that actually lets you " catch 'em all" or atleast most of em

thanks

[Dragonite Tamer]

Red Blue and Yelloow were completable if you don't include and you could get all pokemon that you can have without the national dex on R/S.