GREY'S ANATOMY - "Start Me Up" - Arizona seeks Mark's advice as she tries to reconcile with Callie, who has big news of her own; Teddy must make a key decision for Henry during his surgery; and on the same day the residents receive a new crop of interns, the Chief announces he is looking for a new Chief Resident, on "Grey's Anatomy," THURSDAY, JANUARY 13 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/DANNY FELD) JESSICA CAPSHAW