Friday night is not a graveyard after all – Fox’s struggling sci-fi drama Fringe has been renewed for a fourth season. What’s more, it has received a full-season 22-episode order. Despite low ratings, which got lower after the show relocated from Thursday to Friday, Fox brass remained high on the series’ creative direction and upbeat about its chances. Finge has been a big DVR player, so, with time-shifted viewing included, the series ranks as the top-rated series on Fridays. Still, in Live+same date, Fringe hit a series low, 1.3 rating in 18-49, just last week. Well, that doesn’t matter anymore….