Continuity mistake: When Abby says that Ziva is uniformly absent, she has her hands out of shot. Camera changes and you can see her pointing at Tony and McGee which should have been visible in the previous shot. (00:24:20)
Continuity mistake: When Gibbs and Tony leave their respective rooms we see Gibbs close his door via the monitor in Tony's room. However when they emerge into the hallways Gibbs shuts his door again. (00:26:15)
Continuity mistake: When the DEA agent walks up to Tony she stretches her hand out and her fingers are held together neatly, Camera changes and her fingers are open. (00:11:00)
Continuity mistake: When we see Ziva talking to Tony, she has some hair across her face that is constantly disappearing and reappearing. (00:32:15)
Continuity mistake: When Tony is walking around Abby's lab, his jacket is constantly switching from buttoned to unbuttoned. (00:22:45)
Continuity mistake: The way Claire holds her power putty changes from a clasped hand to a couple of fingers between shots. (00:11:00)
Continuity mistake: When we see Demarco fighting on the ship he has a knife sticking out of his legs that keeps disappearing and reappearing. (00:04:00)
Continuity mistake: Saleem's grip on Tony's badge changes from a couple of fingers to the whole hand. (00:02:50)
Continuity mistake: When Saleem kicks McGee at the start, McGee's feet swap position between camera angles. (00:01:40)
Continuity mistake: At the start we see Saleem load up the syringe of truth serum and there is very little in the syringe. When he sticks it into Tony, the amount of serum has more than doubled. (00:01:15)
Continuity mistake: When Heather comes in to talk to Tony, his grip on his phone receiver changes instantly. (00:24:20)
Continuity mistake: When McGee and Tony are discussing Ziva while leaning on the car, their hands are constantly moving between shots. (00:20:45)
Factual error: The ferry carrying Ziva and Tony to the aircraft carrier should have the Italian merchant flag, but it has the national one (this flag hasn't got the shield drawn in the middle).
Yankee White - S1-E1
Visible crew/equipment: When Kate is standing over the commander just before they take off, a red tape marker is visible between her feet. (00:09:45)
Visible crew/equipment: At the very start, when the NCIS agent stops at the mail box, there is a reflection of someone moving once he has stopped. There is no-one else in the area, meaning it's one of the crew. (00:00:05)
Visible crew/equipment: When Gibbs sits down to interview Noah, a red tape marker can be seen on the floor. (00:27:40)
Continuity mistake: The second time we see McGee bidding on clubs there is 1m 24s remaining. 3 seconds later he closes the window when Gibbs walks in, and there is 1m 24s still left. (00:21:00)
Continuity mistake: When Gibbs asks the kid where he got the gun, he has a notepad in his hand. Camera cuts and it's now a pen. (00:05:25)
Continuity mistake: When looking at the playboy magazine at the start, the pages change between shots. (00:01:50)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.