Coming up on Grey's

Looks like the next new episode will be Jan. 4

From TV Guide...
Six Days - Grey's Anatomy
After a successful heart operation, George's father (George Dzundza) undergoes cancer surgery; Thatcher Grey (Jeff Perry) visits the hospital to see his new granddaughter; and Meredith discovers that Derek isn't a sound sleeper. Louise O'Malley: Debra Monk.

In the meantime...

Dec. 14: What I Am - Grey's Anatomy
As Mark Sloan (Eric Dane) joins the staff, Addison, who's not at all happy about it, comes to doubt her medical skills. Meanwhile, Cristina pushes Burke's rehab; Meredith has a personal medical emergency; and Izzie gets a surprise. Fred Ward guest stars as Denny Duquette's father.

Dec. 21: Oh, the Guilt - Grey's Anatomy
Bailey treats a young mother with breast cancer; Derek learns more about Addison's relationship with Mark, and finds out that Meredith broke up with Finn; the interns defend Bailey at an M&M meeting on Denny's death; and Meredith and Addison must extricate a divorced couple who find themselves together again. Meanwhile, Izzie has yet to cash Denny's $8.7 million check.