Private Practice Season 4 Episode 7 (Private Practice s04e07) with title “Did You Hear What Happened To Charlotte King?” aired on Thursday, November 4th 2010 at 10:00 pm via ABC Network.
Here is summary for Private Practice Season 4 Episode 7 :

After Pete discovers Charlotte in the halls of the hospital bloodied and bruised, he and their fellow doctors come to her aid, but only Addison learns the truth from Charlotte that she was sexually assaulted.