Amy Rosoff

Arizona tries to reconcile with Callie, who has big news to share; Teddy faces an important decision; the residents receive new interns; the Chief makes an announcement.

Addison cannot stop thinking of Pete; Violet's ex visits the clinic and Cooper is not happy to see him; Naomi and Sam's daughter secretly seeks Addison's medical advice.

A female soldier accuses a commanding officer of sexual assault; the team investigates a potential athletic bribe.

The BAU investigate a reported case of bioterrorism following a number of suspicious deaths. Meanwhile, Garcia visits her stepbrother.

Castle is asked to consult on a case when evidence in a young woman's murder implicates Dr. Kelly Neiman (Annie Wersching) -- Castle and Beckett's nemesis.

Mark and Janis fly to Germany to interrogate an imprisoned Nazi who claims to have information about the blackouts, while an anonymous tip leads Demetri to believe his greatest fears about his future.