GREY'S ANATOMY - "Elevator Love Letter" - Alex, George and Meredith check on Izzie following her brain surgery, on "Grey's Anatomy," THURSDAY, MARCH 26 (9:00-10:02 p.m., ET) on the ABC Television Network. (ABC/SCOTT GARFIELD) JUSTIN CHAMBERS, KATHERINE HEIGL, ELLEN POMPEO, T.R. KNIGHT