Update: in the preliminary ratings, Glee averaged a 2.4 adults 18-49 rating.
Glee returns tonight from a month-long hiatus with a Grease-inspired episode that will bring back some old cast members and has been heavily promoted. Though the current season premiered to a decent 3.1 adults 18-49 rating, its has been falling pretty steadily every week, ultimately dropping to a 2.4 at its lowest point before hitting a slight rebound for its last episode (which scored a 2.6). Will Glee experience a much-needed boost tonight, or is it headed for a new low? Cast your vote and then let us know why in the comments!