It fits between the original animated series and Korra, so it might cover some story referenced in Korra. But it should be new material, unlike the two live-action remakes (the truly abysmal one and the more recent, kinda-ok one).
It fits between the original animated series and Korra, so it might cover some story referenced in Korra. But it should be new material, unlike the two live-action remakes (the truly abysmal one and the more recent, kinda-ok one).