The Corbomite Maneuver - S1-E11
Visible crew/equipment: After the Fesarius destroys the recorder marker, when Balok declares that Enterprise must also be destroyed, in the next wide shot two tape marks are visible on the floor, one in front of Kirk's feet and another near Bailey. (00:21:50)
Answer: After causing Norman to overload, all of the other androids shut down. The same could be said for the androids on the Enterprise.