[s7e13] Don't Deceive Me (please Don't Go) May 2026

Mark finally confesses the pregnancy to Lexie Grey . Lexie, feeling like Mark is starting a second family without her for the second time (referencing his daughter Sloan), walks away from the relationship.

Despite the Chief's disapproval, Lexie’s "obsessive tweeting" actually helps save a patient's life by locating specialized equipment at another hospital through her social media network. 🌟 Notable Guest Stars [S7E13] Don't Deceive Me (Please Don't Go)

Guest star Rachael Taylor debuts as Dr. Lucy Fields, a new obstetrician who is immediately irritated by Callie's frantic behavior. 📱 Surgery in the Social Media Age Mark finally confesses the pregnancy to Lexie Grey

Season 7, Episode 13 of Grey's Anatomy , titled originally aired on February 3, 2011. This episode serves as a critical turning point for several major character arcs, particularly focusing on the fallout of Callie's pregnancy and the start of Derek’s Alzheimer’s clinical trial. 🩺 Clinical Trial Conflicts 🌟 Notable Guest Stars Guest star Rachael Taylor

Alex quickly realizes he is not suited for the patient-facing emotional labor required for Alzheimer's patients. In a surprising moment of growth, Alex tells Derek to hire Meredith, acknowledging she is the right person for the job.

The episode centers on launching his highly anticipated Alzheimer's clinical trial.