When in the warehouse for five brothers, they find models with bomb vests. During the scene the models change from being on the middle desks to the desks on the left and back again a few times.
When Ryan receives an incoming transmission on the communicator the first time in this episode and in the next episode, he presses the button on it to answer. However, the second time Anna calls him in this episode, it answers automatically.
A fire truck displays the French emergency phone number "18" instead of the American or Canadian "911".