In several shots during the scene in which Batman and Robin have been strapped into electric chairs, the strap that's supposed to be securing Batman's right arm is looped loosely around his wrist.
When Ma and her children are released from their prison cells Legs has a black and white bow pinned to her hair. Moments later they enter the prison yard and the hat is gone.
At 8:14, when Ma Parker is speaking to the convicts and their backs are to the camera, Catwoman is no where to be seen. At 8:42, Catwoman suddenly appears in the crowd without us seeing her enter.
As in the previous episode, the wadding used for blanks is at times visible when guns are fired.