• Special Guest Star: Jon Cryer (Dr. Cyril Taft)
• Guest Starring: Mimi Rogers (CIA Officer Joanna Teague), Muse Watson (Mike Franks), David Andrews (U.S. Secretary of Defense Errol Coyne), Giles Matthey (Daniel Budd), Daniel Zolghadri (Luke Harris), Adetokumboh M'Cormack (Matthew Rousseau), Hector Hugo (Navy Commander Fred Lewis), Kenny Leu (CIA Officer Kenny Young), Katie Roberts (Navy Surgical Tech Ensign Joni Ryan)
• Co-Starring: Mila Brener (Kelly Gibbs), Kent Shocknek (ZNN News Reporter Guy Ross), Jim Lau (Old Vendor), Donnabella Mortel (Navy Corpsman)
• Written By: Gary Glasberg & Scott Williams
• Directed By: Tony Wharmby

• Guest Starring: Robert Knepper (Benson Long), John Gabriel (DEA Special Agent Luis "Mitch" Mitchell), Billy Lush (Fisher Hyland)
• Co-Starring: Darin Cooper (Roy Evans), Nefetari Spencer (Realtor)
• Written By: Gina Lucita Monreal
• Directed By: Terrence O'Hara

• Guest Starring: Bart Johnson (Marine Lieutenant Dean Hudson), Stephanie Koenig (Lauren Hudson), George Wyner (Randall Worthington), Elyse Mirto (Marine Colonel Stefanie Collier), Jason E. Kelley (Marine Master Sergeant Ramsey Dillon)
• Co-Starring: Demetrius Joyette (Navy Lance Corporal Jonathan Zee), Krys Marshall (Suzy), Blaine Miller (Marine Private First Class Patrick Wigg)
• Written By: George Schenck & Frank Cardea
• Directed By: James Whitmore, Jr.

• Guest Starring: Eric Matheny (Former NCIS Agent Kip Klugman), Gregory Scott Cummins (Kobe "Beef" Carver), Heather Mazur (Laura Strike-DePalma), Edward "Grapevine" Fordham, Jr. (Burly Man aka Lump), Brett DelBuono (Navy Seaman Apprentice Brian Dokes), Diandra Lyle (Alexandria P.D. Karen Stradivarius)
• And: Leslie Hope (SecNav Sarah Porter)
• Written By: Christopher J. Waild
• Directed By: Dennis Smith

• Guest Starring: Lucy Davis (Doctor Janice Brown), Robert Neary (Travis Cook), Seana Kofoed (CEO Virginia Wilson), David Tom (Maple), Marcus Henderson (Stu), Priscilla Barnes (Mrs. Skalbe), Ally Maki (Marie Manna), Nick Gomez (Nicky Jones)
• Special Appearance By: Tony Gonzalez (NCIS Special Agent Tony Francis)
• Co-Starring: Tatiana Chekhova (Reena Deesie), Alex Stemkovsky (Bodyguard)
• Written By: Stephen D. Binder
• Directed By: Bethany Rooney

• Guest Starring: Kelli Williams (NCIS Special Agent Maureen Cabot), Gregory Harrison (Navy Captain Roland Ebbakey), Margo Harshman (Delilah Fielding), Brad Benedict (Navy Lieutenant Nick Rossmore), Kelly Frye (Navy Lieutenant Kara Gifford), Ryan Kennedy (Former Navy Petty Officer First Class Peter Woodruff), Andrew Hawkes (Metro P.D. Detective Dan Campbell), Alisha Boe (Farrah Meyers)
• Co-Starring: Dante Swain (Navy Petty Officer Second Class Adam Meyers aka Man), Makabe Ganey (Boy aka Jackson Edward), (Melissa Greenspan (Mother)
• Written By: Jennifer Corbett
• Directed By: Rocky Carroll

• Guest Starring: Richard Riehle (Walt Osorio), Matthew John Armstrong (Navy Seaman Michael Hayes), Todd Louiso (Lyle Waznicki), Chris Gartin (Jason Tupperman), Nick Toren (Dwight's Father), Paul Mabon (Lucas' Father), Nate Scholz (Former Navy Seaman Todd Bennett), Joe Pistone (Prison Guard)
• And: Jessica Walter (Judith McKnight)
• Co-Starring: Lauren Bray (Makaela Hayes), Iris Almario (Natalie Tupperman), Jonathan Salisbury (Stephenson), Mataeo Mingo (Lucas), Zeb Sanders (Dwight)
• Written By: Brendan Fehily
• Directed By: Mark Horowitz

• Special Guest Star: Jon Cryer (Dr. Cyril Taft)
• Guest Starring: Scottie Thompson (Jeanne Benoit), Joel Gretsch (NCIS Special Agent Stan Burley), David Chisum (Doctor David Woods), Annie Tedesco (Navy Doctor Lieutenant Liz Cortland), Gabriel Hogan (Navy Seal Commander Pete Grady)
• Co-Starring: Katie Roberts (Navy Surgical Tech Ensign Joni Ryan), Omono Okojie (Bahar Tambai), Noel Arthur (Ramses), Sarah Jane Mackay (Rose), Akuyoe Graham (Zayah)
• Written By: Scott Williams
• Directed By: Tony Wharmby

• Guest Starring: Salli Richardson-Whitfield (Carrie Clark), Jeremy Ratchford (Baltimore Police Detective Ramsey Malone), Kelly Blatz (Navy Petty Officer Third Class Kyle Friedgen), Tug Coker (Assistant State's Attorney Alan Wyner), Erinn Westbrook (Hanna Friedgen), Billy "Sly" Williams (Francis "Cheech" Del Conte), Tom T. Choi (Navy Commander Bradley Hall), Miles Wood (Detective James Green), Lindsey McKeon (Taylor Matthews)
• And: Jamie Bamber (NSA Attorney Jake Malloy)
• Co-Starring: Pat Harvey (ZNN Reporter)
• Written By: George Schenck & Frank Cardea
• Directed By: Dennis Smith

• Guest Starring: Lindsay Wagner (Barbara Bishop), Ryan Doom (George Bishop), Patricia Bethune (Paulette Quinn), Harry Van Gorkum (Alton Brinkman), Grantham Coleman (Former Army Sergeant Richard Doogan), Jack Mikesell (Navy Lieutenant Alex Quinn)
• And: Joe Spano (Senior FBI Agent T.C. Fornell)
• Co-Starring: Stuart McLean (Malcolm Turro), Eric Nelsen (Sean Quinn), Scott Roe (Marine)
• Teleplay By: Jennifer Corbett
• Story By: Gary Glasberg & Jennifer Corbett
• Directed By: Arvin Brown

• Guest Starring: Adam Campbell (Young Ducky), Adam Croasdell (Young Angus Clarke), Andy Walken (Young Nicholas Mallard), Susan Duerden (Lorraine Mallard), George Gerdes (Field Marshall Nigel Rand), Kim Robillard (Dwayne Parker), Henrietta Meire (Nurse Cooper), Jon Beavers (Sam Butler), Nicole J. Butler (Coordinator)
• And: Jamie Bamber (NSA Attorney Jake Malloy)
• Co-Starring: Christopher Murray (Joseph Mallard), Sewell Whitney (Nicholas Mallard 1), David Carey Foster (Nicholas Mallard 2), Tom Billett (Viggo Trellis), Nikki Leigh (Woman), Patrick Quinlan (Bobby), Ashlynn Yennie (Daughter)
• Written By: Steven D. Binder
• Directed By: Terrence O'Hara

• Special Guest Stars: Scott Bakula (NCIS Special Agent Dwayne Pride), Lucas Black (NCIS Special Agent Christopher Lasalle), Zoe McLellan (Special Agent Meredith "Merri" Brody), Shalita Grant (Sonja Percy)
• Guest Starring: Tyler Ritter (Luca Sciuto), Lev Gorn (Russian Counselor Anton Pavlenko), Cassidy Freeman (Eva Azarova), Bryan Batt (Blye CFO Dalton Greenbrick), Wendy Davis (Navy Captain Kensington Bloom), Alex Quijano (Blye Head of Security Blake Huxley), Jamie Gray Hyder (Navy Petty Officer First Class Heidi Orr), Ilia Volok (Burly Man)
• Co-Starring: Abraham Amkpa (Navy Petty Officer First Class Felix Kane)
• Written By: Christopher J. Waild
• Directed By: Leslie Libman

• Guest Starring: Shi Ne Nielson (FBI Special Agent Daisy Milner), Mike Bradecich (Former NSA Analyst Adam Connors), Stephen Snedden (Jim Murphy), William Charlton (Metro P.D. Jeff Katz), Jean Paul San Pedro (Dan Dacey), Christine Garver (Tiffany Leonne), Shak Ghacha (Dominick Rubin), Devin McGinn (Stewart Dorfman), Winston Story (Manny), Morgan Obenreder (Navy Seaman Mary Burk), Leonard Robinson (Metro Police Officer Jackson)
• Co-Starring: Anna Claire Sneed (Jane Murphy), Jackie Johnson (ZNN Meteorologist Chelsea Mills), Kaelyn Ilten (Seaman Alessandra Ramos)
• Written By: Matthew R. Jarrett & Scott J. Jarrett
• Directed By: Rocky Carroll

• Guest Starring: Maya Stojan (Meredith Ragen), Greg Serano (Jalen Washington), Henderson Wade (Sam Harper), Tim Conlon (Jerry Grossman), Brett Rice (Captain RJ Hammond), John DeMita (Navy Admiral Jorge Morales), Aaron Hendry (Bob Mugford), Keston John (Mark Dominquez), Dahlia Salem (Maria De La Rosa), Matthew Brenher (Mattias Groller)
• Co-Starring: David Paladino (Retired Navy Senior Chief Petty Officer Diego De La Rosa)
• Written By: Brendan Fehily
• Directed By: Thomas J. Wright

• Guest Starring: Leslie Hope (Secretary of the Navy Sarah Porter), Christina Chang (NCIS Special Agent Valeri Page), Bruce Thomas (Richard Porter), Caitlin Carver (Megan Porter), Jake Borelli (Dean Campbell), René Ashton (Justine Wolfe), Brendan McCarthy (Owen Dixon), Hervé Clermont (Christian Brodrick)
• And: Joe Spano (Senior FBI Agent T.C. Fornell)
• Written By: Jennifer Corbett
• Directed By: Bethany Rooney

• Special Guest Star: Jon Cryer (Dr. Cyril Taft)
• Guest Starring: Scottie Thompson (Jeanne Benoit), Laura San Giacomo (Doctor Grace Confalone), David Chisum (Doctor David Woods), Michael Cram (ATF Special Agent Earl Kitt), Jodi Harris (Catherine Taft), Alice Hunter (Navy Petty Officer First Class Janet Shor), Walter Fauntleroy (Navy Petty Officer First Class Lamar Finn), Max E. Williams (Louis Shekian)
• Co-Starring: Catherine Kamei (Nurse Ella)
• Written By: Scott Williams
• Directed By: Alrick Riley

• Guest Starring: Margo Harshman (Delilah Fielding), Lachlan Buchanan (Navy Petty Officer Second Class James Muldoon), Shannon Lucio (Amy Harrison), Virginia Williams (Leah Ramsey), Saidah Arrika Ekulona (911 Dispatcher), Connie Jackson (Elaine)
• Co-Starring: Scott Peat (Mitchell Grafton), Lazarus Jackson (Falls Church Police Officer)
• Written By: Cindi Hemingway
• Directed By: Terrence O'Hara

• Special Guest Star: Taye Diggs (Marine Gunnery Sergeant Aaron Davis)
• Guest Starring: Laura San Giacomo (Grace Confalone), Samantha Logan (Riley Davis), Christopher Goodman (NCIS Special Agent Michael West), Maureen Sebastian (Navy Chief Petty Officer Elaine Dodd), Paul Bartholomew (Spencer Dodd)
• Written By: Gary Glasberg & Gina Lucita Monreal
• Directed By: Tony Wharmby

• Special Guest Star: Robert Wagner (Anthony DiNozzo, Sr.)
• Guest Starring: Melora Walters (Susan Lowe), Alicia Lagano (Joann Allman), Jama Williamson (Angelina Jennings), Andy Hoff (Jennings' Co-Worker), Vince Duvall (Officer Holt), Matt Orduna (Shelter Manager), Matt Champagne (Doctor), Frank Crim (Resident Manager), Jeff Boehm (Polygraph Tester)
• Co-Starring: Biff Wiff (Old Man), Mike Bridenstine (Security Guard)
• Written By: George Schenck & Frank Cardea
• Directed By: Thomas J. Wright

• Guest Starring: Virginia Williams (Leah Ramsey), Matt McCoy (Senator Thomas Bransfield), Jonathan Kells Phillips (Senator Shawn Kelly), Ben Giroux (Tiny Tony), Adam Mayfield (Tall Tony), Sharon Brathwaite (Lisa Marsden), Brad Lee Wind (Metro P.D. Sergeant John Dunn), Daniel Cummings (Sheriff's Deputy Hicks)
• Written By: Brendan Fehily
• Directed By: Edward Ornelas

• Guest Starring: Alan Dale (Homeland Senior Division Chief Tom Morrow), Vince Nappo (Jacob Scott), Dan Hildebrand (Cassio Chavez), Kate Vernon (Caroline Morrow), Andy Beckwith (HM Prison Service Custodial Manager Chester Grimm), Douglas Olsson (Zaynak Darbenian), Tiffany Ariany (Katie Darbenian)
• And: Joe Spano (Senior FBI Agent T.C. Fornell)
• Co-Starring: Jill Czarnowski (NCIS Tech), Vera Miao (Pamela Cook), David Gunning (Brad Darbenian)
• Written By: Christopher J. Waild
• Directed By: Leslie Libman

• Guest Starring: Reiko Aylesworth (Anne Marshall), Benjamin Stockham (Henry Marshall), Sandra Nelson (Sandra Nelson), Adrian Sparks (Hugo Radcliffe), Pete Gardner (Detective Daniel Swanson), Zoe Perry (Harper's Ferry Police Officer Kristin Fields), Stephen Oyoung (Navy Captain Andrew Hubbard), Elijha Mahar (Marine Master Sergeant David Marshall)
• Special Appearance By: First Lady Michelle Obama (Herself)
• And: Joe Spano (Senior FBI Agent T.C. Fornell)
• Co-Starring: Paul Holowaty (MI6 Officer)
• Written By: Gina Lucita Monreal & Jennifer Corbett
• Directed By: Dennis Smith

• Guest Starring: Sarah Clarke (FBI Special Agent Tess Monroe), Duane Henry (MI6 Officer Clayton Reeves), Juliette Angelo (Emily Fornell), David Dayan Fisher (Trent Kort), Vince Nappo (Jacob Scott), Damian O'Hare (Former NCIS Special Agent Allen Kane), Mia Barron (Doctor Katrina Griffin), Adria Tennor (Angela Dresser), Taja V. Simpson (Misha Rose)
• And: Joe Spano (Senior FBI Agent T.C. Fornell)
• Co-Starring: Sandra Nelson (Jessica Terdei), Kamal Jones (Paramedic)
• Written By: Steven D. Binder
• Directed By: James Whitmore, Jr.

• Special Guest Star: Robert Wagner (Anthony DiNozzo, Sr.)
• Guest Starring: Sarah Clarke (FBI Special Agent Tess Monroe), Duane Henry (MI6 Officer Clayton Reeves), Laura San Giacomo (Dr. Grace Confalone), Juliette Angelo (Emily Fornell), David Dayan Fisher (Trent Kort), Marina Sirtis (Orli Elbaz), Vince Nappo (Jacob Scott), Mia Barron (Doctor Katrina Griffin), William Duffy (Head of Security Harris Cobb), Yorgos Karamihos (Interpol Officer Kohl), Salome Azizi (ZNN Reporter Einat Hadar)
• And: Joe Spano (Senior FBI Agent T.C. Fornell)
• Co-Starring: Emelia Golfieri (Tali), Layla Golfieri (Tali), Christopher Boyer (Doctor Edgar Polk)
• Uncredited: Cote de Pablo (Ziva David)
• Written By: Gary Glasberg & Scott Williams
• Directed By: Tony Wharmby