“Watchdog” – NCIS uncovers a secret dogfighting ring, which leads to an unexpected move by one of the team members, on NCIS, Tuesday, March 16 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs. Photo: Edward Chen/CBS ©2021 CBS Broadcasting, Inc. All Rights Reserved.

“Winter Chill” – NCIS dives into the competitive world of food trucks after finding a man frozen to death in the back of one, on NCIS, Tuesday, March 9 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Emily Wickersham as NCIS Special Agent Eleanor "Ellie" Bishop, Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs, Wilmer Valderrama as NCIS Special Agent Nicholas “Nick” Torres, Sean Murray as NCIS Special Agent Timothy McGee. Photo: Sonja Flemming/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

“The First Day” – NCIS investigates the murder of a Navy officer who was killed while driving home a recently released inmate. Also, Gibbs helps Palmer deal with a personal trauma, on NCIS, Tuesday, Feb. 9 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Photo: Bill Inoshita/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

“1mm” – Following a tip about smuggled weapons, Bishop and Torres engage in a shootout in a former sheriff’s residence that’s now a historical site, only to find themselves locked in abandoned jail cells there, on NCIS, Tuesday, Jan. 26 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Sean Murray as NCIS Special Agent Timothy McGee, Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs. Photo: Sonja Flemming/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

“Head of the Snake” – Gibbs and Fornell’s crusade to find the head of the drug ring responsible for Fornell’s daughter Emily’s overdose comes to a climax. Also, Gibbs and Vance finally let the team in on a case that has dangerous implications, on NCIS, at a special time, Tuesday, Jan. 19 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Pictured: Joe Spano as Tobias “T.C.” Fornell, Wilmer Valderrama as NCIS Special Agent Nicholas “Nick” Torres. Photo: Sonja Flemming/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

“Sunburn” – McGee and his wife Delilah’s (Margo Harshman) Bahamian vacation turns into a high-stakes mission when the case NCIS is tracking of a dead escape room manager has ties to the island. Also, Gibbs fears the worst when his search for Fornell leads to blood, on NCIS, Tuesday, Jan. 19 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Rocky Carroll directed the episode. Pictured: Sean Murray as NCIS Special Agent Timothy McGee. Photo: Sonja Flemming/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

“Blood and Treasure” – The discovery of two dead bodies in the forest leads the NCIS team into the wild world of modern-day treasure hunting. Also, Gibbs and Fornell get deeper into their search for the opioid kingpin, on NCIS, Tuesday, Dec. 8 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Joe Spano as Tobias “T.C.” Fornell, Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs. Photo: Sonja Flemming/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

NCIS Season 18 Key Art

NCIS Season 18 Key Art

"Schooled" -- The team searches for answers when the body of a well-regarded Navy technician in the Reserves is found floating in a lake where a popular community event is being held. Also, Sloane is caught off-guard when her daughter, Faith (Kate Hamilton), makes an unexpected request, on NCIS, Tuesday, March 24 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Sean Murray as NCIS Special Agent Timothy McGee, Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs, Brian Dietzen as Medical Examiner Jimmy Palmer, Wilmer Valderrama as NCIS Special Agent Nicholas "Nick" Torres, Emily Wickersham as NCIS Special Agent Eleanor "Ellie" Bishop. Photo: Sonja Flemming/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

"In a Nutshell" -- As the NCIS team investigates the death of a Navy officer murdered the same way as his parents a decade ago, they stumble across a storage container filled with dollhouses that display recreations of murder scenes. Also, the team agrees to clean out their living spaces, but some have a harder time saying goodbye to their possessions than others, on NCIS, Tuesday, March 10 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Emily Wickersham as NCIS Special Agent Eleanor "Ellie" Bishop Photo: Eddy Chen/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

"Ephemera" -- While investigating the suicide of a retired Navy officer who left a rare, valuable -- and possibly stolen -- coin to the National Museum of the Navy, the team imagines themselves in his life story in order to piece together how the coin ended up in his possession, on NCIS, Tuesday, Feb. 18 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Wilmer Valderrama as NCIS Special Agent Nicholas "Nick" Torres, Emily Wickersham as NCIS Special Agent Eleanor "Ellie" Bishop. Photo: Michael Yarish/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

"Lonely Hearts" -- The lead suspect in an NCIS murder investigation is a woman Gibbs' friend, Phillip Brooks (Don Lake), met on a dating site. Also, Sloane has a secret admirer on Valentine's Day, on NCIS, Tuesday, Feb. 11 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Wilmer Valderrama as NCIS Special Agent Nicholas "Nick" Torres. Photo: Edward Chen/CBS ©2020 CBS Broadcasting, Inc. All Rights Reserved.

“On Fire” â€" After Torres and Bishop are victims of a hit-and-run, Torres fights for his life in the ICU, on NCIS, Tuesday, Jan. 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Mark Harmon as NCIS Special Agent Leroy Jethro Gibbs. Photo: Eddy Chen/CBS ©2019 CBS Broadcasting, Inc. All Rights Reserved.