When talking to Caitlin, after having transformed into Barry, Bates puts on Barry's jacket twice in two different shots.
When Dr. Wells comes home, he leaves his chair immediately inside the door. When he goes to open the door for Caitlin, he has to drive it a distance before he gets there. No time has past, as he was still drinking the same drink he pored when he got in.
Dr Caitlin Snow refers to having a fiancée (the woman to whom one is engaged) and yet Ronnie Raymond has already been referred to and revealed in past episodes as Snow's fiancé (the man to whom she is betrothed).
When Caitlin and Iris are transporting Bates in the car, he is unconscious and handcuffed in the back seat. But when they stop for a red light Bates has suddenly transformed into a girl. He is only supposed to be able to change appearance by touching another person, so how was he able to transform into the girl?
The answer is Bates can also revert to previous appearances, as shown in his fight with The Flash.
The answer is Bates can also revert to previous appearances, as shown in his fight with The Flash.
When Barry is fighting "Everyman" in the airport storage area. The stuntman's costume is obviously loose and ill-fitting. The cowl is loose in the back and the stunt person is a bit shorter than Grant.
When Iris arrives at S.T.A.R Labs to speak to Caitlin, she is in the room with the Flash suit on display but doesn't seem to notice it at all or question why it's there.