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

In a lighter subplot, attempts to modernize the hospital by live-tweeting surgeries for educational purposes.

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" [S7E13] Don't Deceive Me (Please Don't Go)

The episode centers on launching his highly anticipated Alzheimer's clinical trial. In a lighter subplot, attempts to modernize the

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. Mark finally confesses the pregnancy to Lexie Grey

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

Following the bombshell that is pregnant with Mark Sloan's baby, the trio struggles to navigate their new reality.