Thread:Oneofthosedf/@comment-24374551-20140902210530/@comment-24770490-20140902213301

Blaziken rjcf wrote: Not at all. They exist in every generation. They're just not accessible in every generation without cheating devices. I know that you can get them in gens I and II without cheating devices, but I'm not sure about the others.

They don't exist in Gen 6 (X&Y) at least. From Gen 2 to 5 there were 6 glitch Pokemon only.