4. Long Live The Queen
Dinosaurs on a Spaceship: There is a scene where Queen Nefertiti asks, "Are you a Queen, Amy?". She replies, "Yeah...I am actually., only for us to later be given a line of cover up with Amy being Rorys queen. However, shes been married to King Henry VIII for two episodes now, based on the theory of Reverse Chronology. Also interesting is the fact that The Doctor gives Brian Williams an all access pass to time and space after this point. While Mr. Williams does seem familiar, or at the very least unphased, by The Doctor's appearance in The Power of Three, there's still one thing that goes unmentioned...his adventures from the end of this episode. So the assumption one could make from this is simply that as a sort of penance for losing Amy and Rory, The Doctor gives Brian the time of his life to make up for the fact that his son and daughter in law have been (undoubtedly) tragically removed from the equation. Also, going back to The Power of Three for a moment, notice how Brian appears with The Doctor in tow? Could this be an adventure they had during Brian's travels after Dinosaurs on a Spaceship, thus putting Brian on the same perspective of current events The Doctor is on?