Continuity mistake: When Agent Keen first finds Tom's blue key in the base of the lamp she places it on the whiteboard in her op centre, however when she realises that she has to play along with Tom, she is seen putting it back when it was in the base of the lamp. The next time she takes it, it is back on the whiteboard again.
The Blacklist (2013)
1 continuity mistake in Season 1 generally
Starring: James Spader, Ryan Eggold, Diego Klattenhoff, Megan Boone
Factual error: The bomb is supposed to go off at the "DC Zoo", but the scene takes place at the National Botanical Garden, on the complete opposite side of DC from where the Smithsonian National Zoo actually is.
Trivia: Red's trademark fedora was James Spader's idea.
Question: At the beginning of the final segment, the American Flag is flying upside down outside the beach lodge. Since it is pretty clear that Red would not being trying to elicit support/backup for the deeds that he and his female accomplice were about to undertake, what is the significance of this widely accepted distress signal?