9 Times Grey's Anatomy Made Getting Fired Seem Like a Rite of Passage

At the end of season 10, Richard fires Leah after noticing that she's a good doctor but lacking surgical skills. In season 13, Leah returns to Grey Sloan, rehired after proving herself to be excellent at another hospital. Her arc in season 13 proves to be short-lived, as she's not mentioned again after a few episodes in.