Revealing mistake: After Spock has jettisoned Galileo's fuel and ignited it, when it cuts to the bridge aboard Enterprise the shadow of the camera/equipment can be seen moving across the helm console.
Revealing mistake: As Spock carries the crewman, the second spear hits a rock. As it does, you can see the Styrofoam chips fly up.
Revealing mistake: After Spock finds Gaetano's body he carries him back to the shuttle, and in the interior shot as McCoy and Boma carry Gaetano's body to the back, we can see though the shuttlecraft's doorway the top of the set's blue backdrop.
Revealing mistake: The stuntman playing Latimer is obvious when he falls after being hit in his back with the creature's spear.
Answer: After causing Norman to overload, all of the other androids shut down. The same could be said for the androids on the Enterprise.