• First Look: Meet CASTLE’S new Beckett!
• Twitter Wars, and how showrunners deal with it.
• Bad news for the cast of GLEE, everybody’s replaceable.
• NBC sticks with Steve Carell, buying a new-single camera office from THE OFFFICE star.
• HOUSE to get more crowded, with Paula Marshall dropping by as Cuddy’s sister.
• The 30 Freakiest Ads of 2010? Discuss.
• Change we can believe in, Bill Lawrence in talks to jump ship from ABC to WBTV.