You Don't Know What You've Got Till it's Gone

Sheldon fears the worst when a little girl goes missing from the ER; Addison and Jake have a disagreement about one of his patients; and a new doctor joins the team at Saint Ambrose. Meanwhile, Stephanie questions Sam about his past with Addison.

Release : October 23, 2012

Runtime Epiosde : 42 minutes

Rating : 6.80