Losing My Mind
S4, E15: Dr. Wyatt refuses to let Meredith give up on therapy; Alex learns the truth about Rebecca's medical condition; the chief insists Erica perform a risky surgery on his mentor.

S4, E15: Dr. Wyatt refuses to let Meredith give up on therapy; Alex learns the truth about Rebecca's medical condition; the chief insists Erica perform a risky surgery on his mentor.