Continuity mistake: When Hardison and Spencer meet up with the rest of the crew, Hardison's suit is completely dry, despite having been thrown into a swimming pool in the previous scene. His collar is even pressed and starched. (00:16:50)
Continuity mistake: When Sophie is "shot", the two gunmen duck down immediately. When we see the flashback later, neither of them duck. One gunman walks away, while the other is revealed to be Elliot, who looks down over the barrier at the crowd for a beat before leaving.