A Nuclear Terror Threat. An Elusive Serial Killer. A Mystifying Supernatural Murder. These are just a few of the pulse-pounding, edge-of-your-seat cases facing the elite NCIS team in the fourth season of 'NCIS: New Orleans'. But no matter the risks, the heroic agents, led by Special Agent Dwayne Cassius Pride (Scott Bakula), remain at the top of their game - from the action-packed season premiere to the explosive finale!