When EJ is watching Gibbs interrogate Phelps, EJ's hair is curly, but in the next scene, when she is meeting with Director Vance, her hair is straight.
When Ziva runs around the car to grab Leona Phelps it shows Ziva grabbing Leona twice because the 2 camera shots were overlapped.
When EJ tells Tony and Ziva that she's being transferred to DC from Rota, Spain, Ziva tries to correct her by pronouncing "Rota" with the Spanish trilled "r". However, she says, "You mean 'Roda'", mispronouncing the "t".
In the original showing of this episode, when Tony and Ziva are in the warehouse and Tony tells Ziva about the job offer in Rota, he tells her that he has never been to Spain. However, Tony has been to Spain. He, Gibbs, and Vivian Blackadder apprehended the terrorist Mohammed on a ship docking in Rota. This is seen in the Jag episode "Meltdown" the second episode of the back door pilot for NCIS. Syndicated airings have by and large removed this error.