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

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

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

In a lighter subplot, attempts to modernize the hospital by live-tweeting surgeries for educational purposes. [S7E13] Don't Deceive Me (Please Don't Go)

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.

Following the bombshell that is pregnant with Mark Sloan's baby, the trio struggles to navigate their new reality. The episode centers on launching his highly anticipated

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.

Chief Richard Webber is vehemently against the idea, leading to a comedic power struggle. Mark finally confesses the pregnancy to Lexie Grey

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