Continuity mistake: Tenaya 7 is running on the treadmill in flat sandals with tan straps, she then has flat sandals with black straps as she fights the guards.
Continuity mistake: In the previous episode when Damon and Caroline sleep together Caroline's bra is dark pink, in this one when she wakes up her bra is blue.
Continuity mistake: The assassin is running across the square with the poisonous needle in his left hand in several shots. But moments later, when tackled to the ground, it is pressured from his closed right hand.
Continuity mistake: In the final showdown between the Queen and Alice, in the wide shot, you initially see the Ten of Clubs standing beside the Queen, but when it moves to close-up, he has disappeared from her side, only to run into the scene behind Jack and Duchess moments later. (02:52:45)