Going to MTAC to talk to the girls parents, Tony is wearing a black suit and blue shirt. Inside MTAC (set a minute later) he's wearing a silver suit and white shirt.
After everyone at the school suddenly falls asleep, first responders arrive, but they don't evacuate the building. As a precaution, everyone should have been taken out.
When Mason is talking to Gibbs about his clandestine "if I tell you about it I'll have to kill you" operation, McGee is listening outside the interrogation room which is fine but so is one of the college students who is accompanying the team that week. He shouldn't be there.