
Continuity mistake: We see Fornell handing Gibbs a beer at his house and his phone is in his right hand. When the shot changes, his phone is now in his left hand. (00:10:40)

Continuity mistake: When Ziva sits down to talk to the suspect in interrogation, Her hands go from clasped together to holding her one wrist between shots. (00:08:30)

The Missionary Position - S9-E20
Continuity mistake: When Ziva and Monique confront the two CIA agents in the car, the woman's hand keeps alternating from on the wheel to off the wheel. (00:36:00)

Till Death Do Us Part - S9-E24
Visible crew/equipment: When Dr Ryan is talking to Vance, a light screen is reflected in her sunglasses. (00:04:30)

Lost at Sea - S10-E4
Continuity mistake: When Gibbs pulls the empty bottles out of the evidence box, he pulls three out and places them on the desk. However, when the camera changes to behind Gibbs, there are only two bottles on the desk. (00:24:10)

Lost at Sea - S10-E4
Continuity mistake: The way Gibbs holds the key card that Ducky gives him changes between shots. Watch the sides of the card. (00:09:30)

Visible crew/equipment: When Tony approaches the woman on the shooting-range, a white rectangular screen can be seen reflected in the glasses she is wearing. (00:22:10)

Continuity mistake: When Tony is looking at the flight plans to Malta, The way he holds the paper changes. Note the glove and his grip. (00:05:10)

Visible crew/equipment: At the naval yard when Ducky is exiting the cab, as it drives off you can see an orange tape marker on the floor. (00:24:30)
Up in Smoke - S9-E23
Visible crew/equipment: When Ziva walks into the interrogation room after the sting, the camera and operator is visible in the mirror. (00:34:30)

Up in Smoke - S9-E23
Continuity mistake: When Dr Ryan holds out her hand for the file from Gibbs at his house, the hand she holds out switches between shots. (00:17:40)

Lost at Sea - S10-E4
Continuity mistake: When Borin and Dinozzo are talking about why she accepted the date, Borin's hair is constantly switching/moving place. This is not because of the wind. (00:27:00)

Lost at Sea - S10-E4
Continuity mistake: When DiNozzo says about the bet being off, his facial expression changes completely in an instant cut. He goes from concentrating and serious to joking and laughing. (00:27:30)

Continuity mistake: When we see Ducky arriving back at the naval yard, two men walk past his cab but when the shot changes, they walk past again. (00:24:20)

Continuity mistake: When Ziva is on Tony's shoulders, she goes from grimacing and looking at the floor to looking above her and not grimacing as much instantly. (00:04:00)

Till Death Do Us Part - S9-E24
Continuity mistake: The way Ducky passes Jimmy the organs from the cadaver, the way he holds them changes between shots. (00:06:10)
Chosen answer: "Policing your brass", means to pick up your expended shell casings, after firing your rifle, or pistol.
pross79