When Callen sits at the table and drinks from his smoothie, it is less than half full, but in the next shot from behind Anastasia, the smoothie level is clearly above half full.
C-4 and Det Cord just like most other Military Grade High Explosives can not be set off by shooting it with a gun. A detonator must be used.
Roundtree and the admiral are looking at two crime scene photos of this episode's dead body. After the first photo, the actor playing the body moved, and his head is several inches off the carpet in the second photo.