Private Practice - Season 4 Episode 4 - The arrival of Dell's young orphaned daughter, Betsey, stirs up the emotions of everyone in the practice; and Pete and Amelia disagree over a risky surgery to treat a woman who has been experiencing chronic and insufferable pain throughout her pregnancy.
Private Practice - Season 4 Episode 5 - Much to her displeasure, Addison is teamed with a new oncologist, Dr. Rodriguez, to treat a newborn baby with a malignant tumor; when Violet and Sheldon visit a prison in order to interview inmates who are up for parole, Pete is highly uncomfortable as Violet tries to help a parolee; and Addison and Violet suggest Sheldon could be the solution for Amelia's needs.
Private Practice - Season 4 Episode 6 - Addison and Sam's relationship is strained when they disagree over the treatment and safety of a comatose patient who has become pregnant, while Pete and Charlotte are faced with the ethical dilemma of revealing the HIV status of a patient who has been in a serious auto accident. Violet crosses some boundaries with Pete's family as she gets caught up in the fray of Lucas's first Halloween.
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.
Private Practice - Season 4 Episode 8 - Charlotte chooses to suffer in silence as she tries to deal with the emotional aftermath of the attack, as Addison struggles to keep the events of that night a secret, while Cooper and the doctors of Oceanside Wellness fight their own demons arising from the assault.
Private Practice - Season 4 Episode 9 - Despite how Charlotte is choosing to deal with the aftermath of her s-xual assault, her fellow doctors think they know what's best, teaming up to pursue criminal charges against her attacker. Pete gets a surprise visitor, his estranged brother, who has come to ask Pete to help release their sick mother from prison.
Private Practice - Season 4 Episode 10 - When the District Attorney's office delivers bad news to Charlotte and Cooper about her s-xual assault case, Cooper is outraged and Charlotte seems numb, as a case involving a pregnant drug addict hits hard with Addison, who wants a child of her own with Sam.
Private Practice - Season 4 Episode 11 - Addison's mother, Bizzy, aggressively demands her daughter do whatever it takes to save her partner from dying - including working with Dr. Rodriguez once again. Meanwhile Amelia and Pete's medical consultation is complicated when a patient's wife and his mistress disagree on the course of treatment, Charlotte and Cooper try to be intimate with each other again, and Violet considers publishing a personally-revealing book she's written.