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

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

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

Derek chooses Alex Karev as his resident instead of his wife, Meredith Grey , arguing that their personal connection and Meredith’s family history (her mother, Ellis) would make it too emotional. [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

Chief Richard Webber is vehemently against the idea, leading to a comedic power struggle. The episode centers on launching his highly anticipated

The episode features a heartbreaking case involving a trial participant, Daniel Cobb, who mistakes his wife for another woman he met at an assisted living facility. The Pregnancy "Hormone Casserole"

Following the bombshell that is pregnant with Mark Sloan's baby, the trio struggles to navigate their new reality. 🩺 Clinical Trial Conflicts Derek chooses Alex Karev

Despite the betrayal, Arizona Robbins decides she wants to be part of the child's life.