What was the viewership of second , third , fourth , and fifth episodes of the show Once Upon A Time ?
Joshua Jackson , who plays Peter Bishop on the show , cautioned that time - shifted viewership may not be enough to save the show : " It 's not that not enough people are watching " Fringe " , it 's that not enough people are watching " Fringe " during the hour that it 's on the air , which is key for the network . "