At 27:46- Jackson pours white milk into his cup but at 29:22 the milk has turned clear.
At the end just before the credits when Gibbs is filling his cup with whiskey the cup is tipped enough to reveal that it is actually empty right after being filled.
When Gibbs is talking to his father's answering machine, as the camera pans out, a DirecTV remote can be seen to the right of the answering machine. After the very brief shot of of Gibbs on his cell, the camera returns to the answering machine, and a box of tissues has taken the place of the remote.
The cap of the super glue Gibbs' dad is using jumps from off to on.
When DiNozzo is eating Chinese food, a piece of broccoli disappears from his chopsticks.
Agent McGee, when talking about why Corporal Leroy Jethro Moore received his Medal of Honor from President Clinton - 40 years after the war, says that "No African-American was awarded the Medal of Honor until Congress passed legislation in 1996 to correct the injustice." There were African-American recipients prior to 1996, including SP5 Lawrence Joel, who was both the first medic to earn the honor during the Vietnam Conflict and the first living African-American recipient since the Spanish-American War (1898). Then SP6 received his Medal of Honor from President Johnson in 1967 during a ceremony on the White House Lawn. William Carney was the first African-American recipient. He was awarded the Medal of Honor for his actions on July 18, 1863 at Fort Wagner, SC. This action is depicted in the movie "Glory".
Abby claims to find a second serial number for the murder weapon on the "slide". Gun manufacturers do not put serial numbers that can be matched to individual guns on parts that are considered user-replaceable, which the part in question is.
Just before Tony and Ziva seek to speak with a college student in his dorm room, an establishment shot shows the facade of a handsome academic structure on an attractive campus; however, large letters carved into stone identify the edifice as not a dormitory but rather a biochemistry building.
A guy with a 148 I. Q. who can't read and understand a two page contract must have cheated on his I. Q. test.