The red barrel that contains Diana Prince is shown being thrown into the water but the stock photography used to show it underwater is of a barrel painted a different color.
In the wide shot, when Turk brings Gault's brain into the operating room, the fluid holding the brain is cloudy, but in the close up shots the fluid is clear.
The wires that move the eye stalk attached to Gault's brain are clearly visible in close-ups.
Objects move from the blue mat towards Wonder Woman in an odd manner as they were filmed being thrown onto the mat and then the footage was reversed for the effect of them being hurled at her with psychic power.
While Steve Trevor is waiting to talk to Morton, the left arm of the suit of armor that attacked Diana earlier can clearly be seen moving, but Steve does not notice this when he turns around to look at it.
When Steve Trevor is shown in to talk to Morton, the arm of the suit of armor that Gault had attack Diana earlier can be seen just to the right, quivering - as if the actor who was in the attack scene earlier is still in the suit for some reason.
When Gault is shown in his coffin at the wake, he has a horizontal scar across his forehead, indicating his brain was removed by taking off the entire top of his skull. When Morton is being prepped for the surgery to remove his brain, the equipment being used is a circular drill head that would only remove a small section of skull and would not create an opening large enough to remove his brain or insert Gault's.
Gault's brain and Dr. Crippin talk about how the brain functions at higher levels (which includes telekinesis), without having to maintain the functions of human body. However, the entire episode centers around Gault trying to find the perfect human specimen, which defeats the purpose of the brain having higher functioning because now it has to maintain the functions of a human body.