Grey's Anatomy: Season 5, Episode 10

5 - 10: All by Myself

Cristina is awarded the first solo surgery among the residents, but she has to relinquish it and choose her replacement; Mark performs a cutting-edge procedure to restore a patient's speech, impressing Lexie in the process. Callie cannot figure out if Sadie is flirting with her or just being friendly and Mark desperately tries to get Lexie out of his head. First appearance of Mary McDonnell as Dr. Virginia Dixon. Rosalind Chao and Jeffrey Dean Morgan Guest stars.