Season 21

01 Algún Día Episode 112th February 2024 The NCIS team must help Torres when he puts his future at stake by confronting the man who tormented his family when he was a child. 02 The Stories We Leave Behind Episode 219th February 2024 As NCIS mourns the loss of Ducky, the agents find comfort in working on one of his unfinished cases involving a woman whose father was dishonorably discharged from the Marines. 03 Lifeline Episode 326th February 2024 When the NCIS team engages in Walk-a-Mile day to gain a new perspectives on different departments, things take a turn when Kasie receives a distress call from a mysterious man. 04 Left Unsaid Episode 44th March 2024 The NCIS team is in a race against time to find a missing officer who disappeared during his wedding proposal. 05 The Plan Episode 525th March 2024 With the help of Knight's dad, NCIS works to unravel the mystery of a recently used service weapon belonging to a missing agent. 06 Strange Invaders Episode 61st April 2024 After discovering a Navy pilot's body riddled with unusual wounds, NCIS' investigation draws the team into the rabbit hole of UFO conspiracy theories. 07 A Thousand Yards Episode 715th April 2024 NCIS comes under attack by a mysterious enemy from the past. 08 Heartless Episode 822nd April 2024 The NCIS team looks for a motive behind the kidnapping and death of a famous heart surgeon. 09 Prime Cut Episode 929th April 2024 After discovering the remains of a Marine captain, the NCIS team travels to Texas to interrogate the suspected killer. 10 Reef Madness Episode 106th May 2024 Parker and Knight discover three bodies on an old Navy ship that's about to be sunk and turned into an artificial reef, when they're suddenly locked inside by a mysterious figure.