ABC has picked up a fourth season of its hit original series "Pretty Little Liars." The all new season will consist of 24 one-hour episodes that will start to air mid 2013.
Meanwhile, NBC has picked up the back order for its three new series - "Revolution," "Go On" and "The New Normal". Each show is now confirmed to be getting a full twenty-two episode season.
Finally, TNT have announced premiere dates for several of its shows. "Rizzoli & Isles" and "Leverage" will commence the second half of their seasons from November 27th. The second season of "Dallas" will commence January 28th, David E. Kelley's new medical drama "Monday Mornings" will hit February 4th, the fifth season of "Southland" premieres February 13th, and "Boston's Finest" will premiere February 27th.