The Thick of It (2005)

Episode Overview

Cristina receives the honor of her first solo surgery as a resident, but she reluctantly has to pass it on to someone else and select a replacement. Meanwhile, Lexie is captivated by Mark's execution of an advanced surgical technique. On a different note, Callie finds herself confused about whether Sadie is being genuinely friendly or if there's a flirtatious undertone to her behavior.