A "date and tell" policy is instated at the hospital after the nurses object to Mark's exploits. Cristina has to face that she still has feelings for Burke, and Bailey struggles with her own personal problems. Meredith and Derek admit a veteran to their clinical trial.
Thurs., May 15, 9 p.m.
"Losing My Mind" (NEW, ep. 4.15)
Dr. Wyatt refuses to let Meredith give up on therapy, Alex learns the truth about Rebecca, the Chief has Erica perform a risky surgery on his mentor, and after receiving news of Burke, Cristina does things contrary to her nature.