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

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

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

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 Following the bombshell that is pregnant with Mark

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. The episode centers on launching his highly anticipated

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