Before the Richard Dawkins interview, Ben Stein is seen walking across campus on his way to the interview location, but when he arrives he's wearing different clothes.
During an interview (at about 27 minutes), the drink on the far right is half full, and then appears completely full in the next shot.
The film presents Darwin's writing as a driving force behind the Nazi ideologies. In fact, the Nazis denounced and banned most of Darwin's work.
While walking through Paris, a camera man can be seen walking backwards in front of them holding a large black umbrella.
When entering a building, a plastic/glass divider (clearly motion activated) opened for Ben Stein, but then also spontaneously opened again for the camera man.