The Pokemon series has being going strong for eight full generations now, with each new set of games bringing new Pokemon, new mechanics, and a new region to explore. While players are certainly encouraged to engage with the native species of the new game's region, the series has always taken care to ensure Pokemon from past games can be brought forward.
Related: How To Breed Competitive-Ready Pokemon In Sword And Shield
With this in mind, it's possible to transfer Pokemon from as far back as the Gamecube games all the way into Sword and Shield. This is a fun process to try out if you have all the necessary games and hardware, as well as an essential part of the ribbon master challenge, and with the 3DS servers' imminent shutdown meaning the end of Pokemon Bank is on the horizon, there's no better time to take your Pokemon on an inter-generational journey.
The answer to this question is a little bit complicated. If you're talking about the original Red, Green, Blue, Yellow, Gold, Silver, or Crystal, it is technically possible, but doing so requires messing with external tools, moving Pokemon outwith the actual games and hacking 3DSes, which most people would agree isn't within the spirit of things (or the law, arguably).
However, if you simply want to catch a Pokemon in, say, Blue, and transfer it to Sword and Shield, you're in luck. If you download the Virtual Console versions of any of the Generation 1 or 2 games on the 3DS, they'll be compatible with Pokemon Bank, meaning you can transfer your Pokemon straight from your 3DS into Home, and then into Sword and Shield, or into a Generation 6 or 7 game if you want. They'll just miss out on seeing all the older regions along the way.
With generation 1 and 2 out of the way,
Read more on thegamer.com