There are apparently entire episodes without any Walkers. While the series includes big set pieces and action-heavy riots and showdowns with Walkers, the quieter scenes and the relationships between the characters play a significant role. “There’s a small scene between Kim and Frank Dillane that is simple and beautiful and moving," says Erickson (show runner). "it really speaks to their relationship — and we’ll always come back to that."
As Erickson sees it, the true test of the success of the series is how people respond to the characters and to the smaller moments. "I think if you love the characters and could go episodes and not see a zombie, but would still like the show and want to watch it? That would be the ideal. And we will have episodes with no zombies.”
Oh... Ok then.