Twisted Sister is the seventy-ninth episode of NCIS, and the ninth episode in Season Four. This episode also marks the final appearance of Sarah McGee.

Contents 1 Synopsis 2 Prologue 3 Act One 4 Act Two 5 Act Three 6 Act Four 7 Major Events 8 Continuity 9 Trivia 10 Cast 10.1 Series Regulars 10.2 Recurring Cast 10.3 Other Cast

SynopsisEdit

When his younger sister shows up at his apartment in the middle of the night, believing that she might have killed someone, McGee takes matters into his own hands and risks his NCIS career as he attempts to find out what happened while the rest of the team investigate the death of a Navy sailor and as it turns out, the victim is connected to McGee's sister...

PrologueEdit

Act OneEdit

Act TwoEdit

Act ThreeEdit

Act FourEdit

Major EventsEdit

• Sarah McGee returns, asking for her brother's help as she believes that she might have killed someone.
• The team discover that McGee's become an author and has published a book titled Deep Six.
• McGee later resigns from NCIS but Gibbs soon talks him into changing his mind and he remains on the team.

ContinuityEdit

• While working with Jenny in her lab, Abby tells her about her "date" with Marty Pearson in the prior episode, Once a Hero (episode) Marty reappears in Smoked (episode).
• Tony first saw Sarah's picture on McGee's iPod in the Season 3 episode, Family Secret (episode) in that episode, he was unaware of her identity, but insisted that she had to be McGee's sister, since she was much too attractive to be his girlfriend.
• This is the episode which reveals the secret behind McGee's mysterious new wealth, hinted at in several earlier episodes of Season Four.

TriviaEdit

• Sarah is played by Troian Bellisario, daughter of series producer Donald Bellisario. Troian is the half-sister of Michael Bellisario (who played Chip Sterling in Season Three) and the stepsister of Sean Murray, who plays McGee.
• When Abby says that she was going over the trash, the legs of someone, presumbly a man holding a boom mike can be seen walking across her lab.
• This is the second time the team has been called to Waverly University to investigate a dead body, the first being the Season 2 episode, Red Cell (episode).
• The song playing inside the room at Waverly University when Gibbs goes to interview Seaman Jeff Petty's girlfriend, Carolyn is "Tradition" by Living in Question.

CastEdit

Series RegularsEdit

Name	Portrayed by	Role
Leroy Jethro Gibbs	Mark Harmon	Special Agent in charge of the Major Case Response Team, NCIS
Anthony DiNozzo	Michael Weatherly	Senior Special Agent, MCRT, NCIS
Ziva David	Cote de Pablo	Mossad Liaison to the NCIS
Abigail Sciuto	Pauley Perrette	Chief Forensic Specialist, NCIS
Timothy McGee	Sean Murray	Junior Special Agent, MCRT, NCIS
Jennifer Shepard	Lauren Holly	Director of NCIS
Donald Mallard	David McCallum	Chief Medical Examiner, NCIS

Recurring Cast Edit

Name	Portrayed by	Role
Dr. Jeanne Benoit	Scottie Thompson	Tony's girlfriend.

Other Cast Edit

Name	Portrayed by	Role
Sarah McGee	Troian Avery Bellisario	Timothy McGee's younger sister.
Samuel Tate	John Cabrera	University security guard and Seaman Petty's killer.
Carolyn	April Matson	Co-ed, Seaman Petty's girlfriend.
Madison	Katherine Bailess	Co-ed, Carolyn's best friend and head of the cheerleading squad who helped Samuel Tate carry out the crime.
Jordan Block	Fidel Gomez	A man who appears in the episode.
Cheerleader 1	Kiana Jones	Uncredited role.
Cheerleader 2	Nicole Sienna	Uncredited role.
Cheerleader 3	Tiffany Tynes	Uncredited role.

v - e - dNCIS Season Four
Shalom ♦ Escaped ♦ Singled Out ♦ Faking It ♦ Dead and Unburied ♦ Witch Hunt ♦ Sandblast ♦ Once a Hero ♦ Twisted Sister ♦ Smoked ♦ Driven ♦ Suspicion ♦ Sharif Returns ♦ Blowback ♦ Friends and Lovers ♦ Dead Man Walking ♦ Skeletons ♦ Iceman ♦ Grace Period ♦ Cover Story ♦ Brothers in Arms ♦ In the Dark ♦ Trojan Horse ♦ Angel of Death