Don't Deceive Me (Please Don't Go)
Derek breaks ground on his Alzheimer's clinical trial and Meredith can't help but feel left out; Bailey's attempt to take the hospital into the age of new media with live tweets from the OR does not go over well with the Chief; and Callie, Mark and Arizona must learn to navigate through the pregnancy together, which starts off with Callie driving her new obstetrician crazy.
Release : February 03, 2011
Runtime Epiosde : 43 minutes
Rating : 7.00