As McGee is being loaded into the ambulance, there are two firefighters examining the plane wreckage. In a reverse angle, one is seen moving away from the nose; 21 seconds later the 2nd explosion happens, but in the long shots, neither officer is anywhere on the scene.
Vladmir Izikov receives a text message from "Dmitry" saying "You're being watched." The message arrives on "Monday, March 4" - but the episode is set in March 2020. March 4, 2020 was a Wednesday.
The photocopy of the shift managers passport has his name transcribed wrong. It reads "Vladmir Ivinov" in Latin letters, but based on the Cyrillic in his passport, it should have read "Vladimir Ivanov". Sloan actually pronounces it correct, though.