Bikini Wax - S2-E18
Trivia: When Gibbs and McGee arrive at the garage with the tuned up cars, take note of the pink convertible and gold mk. IV Supra. It's the same Honda S2000 that was driven by Suki, and the Supra driven by Slap Jack in 2 Fast 2 Furious. (00:25:20)
Power Down - S7-E8
Trivia: At the end of the episode Gibbs says "Book em Dan-nozzo" to which Dinozzo replies "Nice Hawaii 5-0 reference, boss." NCIS LA crossed over with Hawaii 5-0 in season 3.
Trivia: Nina Foch plays Mrs Victoria Mallard, mother of Dr Donald Mallard (David McCallum). In real life, Foch was only nine years older than McCallum.
Trivia: Dinozzo makes a remark that he would have a better shot hooking up with Jessica Alba. Michael Weatherly, who plays Dinozzo, was once engaged to Jessica Alba, and was her co-star on the TV series "Dark Angel".
Murder 2.0 - S6-E6
Trivia: When the 3rd victim dies in the interrogation room, McGee is instructed to call Base Medical. When he moves the phone from his ear and says "Tony" you can see the default screen for the iPhone requesting it be plugged in to iTunes for setup.
Trivia: When DiNozzo and Kate are examining the victim's lunchbox collection, the shelf the camera pans past has one of Quantum Leap, another Donald Bellasario show. (00:10:30)
Trivia: The diner in which Jenny is killed is also the same diner used in Lady Gaga's music video "Telephone"
Trivia: While searching Chaplain Evans' home, Tony is watching an episode of "The Adventures of Ozzie and Harriet". Not only were Ozzie and Harriet Nelson the in-laws of Mark Harmon's sister Kristen, but their show Ozzie's Girls featured Mark's first acting credit.
Trivia: Tony DiNozzo Sr. calls a Metro cop "Officer Krupke." This is the name of the beat cop in West Side Story, an Academy Award-winning musical that starred Robert Wagner's wife Natalie.
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.