What Are Little Girls Made Of? - S1-E8
Visible crew/equipment: After Roger's introduction, when Kirk tries to communicate with Rayburn for security confirmation and also when Andrea walks over to Kirk, a few actors' tape marks can be seen on the floor and rug.
What Are Little Girls Made Of? - S1-E8
Continuity mistake: While Kirk's trying to convince Ruk that Korby's creating the same danger just like the Old Ones, when Kirk tells him that humans are full of unpredictable emotions, the closeup of Kirk is a flipped shot (the jumpsuit's blue and green switch sides).
What Are Little Girls Made Of? - S1-E8
Revealing mistake: When Korby introduces the new android Kirk to Chapel, as the duplicator table slowly turns the edit in the footage can be seen in this shot, just as the real Kirk suddenly vanishes from the space he was in.
Answer: Kirk was getting his physical and Dr. McCoy probably turned off communications, because if he hadn't, Kirk would have left and headed straight for the bridge, leaving McCoy irritated.