Deliberate mistake: Whenever Charlotte and Trey are shown sitting on the therapist's couch, Charlotte is considerably taller than Trey. They are both sitting on exactly the same surface, so there is no logical reason for this. In reality, Trey is actually taller than Charlotte. She should not be sticking up higher than him on the couch.
Deliberate mistake: At RAW, just as the host starts showing the girls to their table, there is a lady at the bottom right corner of the screen whom you can see is only pretending to eat her food. She puts it up to her mouth, pretends to take a bite, then moves it away again.