The Thick of It (2005)

S6E9 New History

Owen brings Dr. Teddy Altman, a former Iraqi veteran, on board as the new cardiothoracic surgeon. Cristina doubts her skills in the E.R. and her connection with Owen. Meanwhile, Izzie makes her comeback to Seattle Grace, bringing along her high school mentor who requires care for his dementia. Richard finds the pressures of his role after the merger increasingly overwhelming.