Watch Grey’s Anatomy 2010 en 12:56

Here’s what to expect in Grey’s Anatomy when it comes back in January 2010: When Lexie finds out that there is something wrong with Leven Rambin’s Sloan Riley’s pregnancy, Mark is forced to summon Addison to Seattle Grace to perform a surgery. With more doctors in the crowd, complications and tensions tend to rise, and they extend to Private Practice where Mark ends up calling Addison back for more surgeries.