Continuity mistake: When the hostages try to get some rubble to catch fire, they find that everything is covered in some flame retardant stuff. Yet, in the very first episode one of the very first things they do is to make a small fire to get the fire alarm going.
Visible crew/equipment: In the final scene of the episode, a crew member in a plaid shirt is visible in the mirror behind Janet. (00:42:15)