At the beginning of the episode, when Jenny ditches Tony and Ziva at the funeral, she tells them to take the day off because they have nothing else to do that day, and they "are not scheduled to fly out until tomorrow." Later, on the phone with Ziva while she is working with Franks, she says she will meet Tony and Ziva at "our red eye flight back tonight."
When Jenny he is at the funeral at the start of the episode, she is taking pictures of a man with a Blackberry 8830 smart phone, but that device does not have a camera. Then later while receiving a call it showed her looking at a Palm Treo smart phone's screen, but when she answers and while she is talking, it magically turns into a Blackberry 8830 again. And then finally when Jenny is on the floor, and Tony sees Gibbs calling on Jenny's Cell, it's once again a Palm Treo Smartphone.
When Assistant Director Vance and Gibbs are in the elevator, Tony says that he, Ziva and McGee will take the stairs. There is no interruption in the elevator's ascent, but when the doors open, Tony, Ziva and McGee are already at their desks. Its unlikely that they would have beaten the elevator.
While Mike Franks and Gibbs are in the diner. During the whole scene, Mikes hair goes from wavy to swept back to wavy and so on.
When Gibbs and Director Vance are in the elevator, after Tony says, 'We'll take the stairs.' Gibbs presses the G for Ground floor. Their office is on the top floor of the building.
When Mark Harmon speaks Russian on the phone, he is obviously reading (with difficulty) from a written phonetic rendition on the desk in front of him.
The handgun Jenny re-assembles in the diner is not a real Sig P228. None of the movements she makes, has anything to do with the assembly of the real weapon.
At the funeral in the reflection of Director's sunglasses you can see crew and equipment.