Jeffrey Doornbos

The team goes to New Orleans to find a perpetrator who has resumed killing after a 15-month break; Reid struggles with the effects of being a hostage.

Meredith volunteers to run the ER for a night in hope of proving that she is chief-resident material; Bailey and Eli (Daniel Sunjata) get into mischief; Adele comes to the hospital as a patient.

Gibbs makes shocking discoveries while investigating a respected colleague's murder.

Pacific Wellcare, Charlotte's practice, opens and the competition with Oceanside Wellness starts; Dell suggests that an in-house adoption program be created.

Violet discovers she's pregnant, but isn't sure who the father is; after a kiss with Wyatt, Addison struggles with a guilty conscience; Charlotte proposes to Cooper.

NCIS investigates after two men are blown up by their own explosives while attempting to break into a military base; Callen wants to take the next step with Anna; Sam moves in with his father.