Thick as Thieves
Parker's delinquent past resurfaces when NCIS is called to Philadelphia to investigate the death of a Petty Officer.
Player
Primary streaming server.
More from this season
S19 E1
Blood in the Water
As the NCIS team searches for Gibbs after wreckage from his boat is discovered, they find out he was tracking a serial killer with journalist Marcie Warren, who wrote an exposé on him.
S19 E2
Nearly Departed
While trying to find the serial killer Gibbs was after, the NCIS team discovers another person has been tracking the case as well.
S19 E3
Road to Nowhere
Gibbs and Parker go on a road trip to find one of the serial killer's victims. Also, Agent Knight goes undercover at a large manufacturing company with ties to the murders.
S19 E4
Great Wide Open
Gibbs and McGee head to Alaska while the team works at home to uncover the conspiracy behind the serial killer.