Continuity mistake: During the Dixon Hill holodeck scene, the room was full of "people" running around while Picard fired the machine gun at the Borg. Yet a few seconds later the room was totally empty. There wasn't enough time for everybody to have abandoned the room. And if it had been a security feature, the entire simulation should have ended, instead of just disabling all the people. (00:54:15)
Teru_Kage
28th May 2013