Stopover in a Quiet Town - S5-E30
Visible crew/equipment: When the camera pans to Rod Serling for his opening narration, you can very briefly see several crewmembers and some backstage equipment.
Moon Cloud - S1-E20
Visible crew/equipment: When Carter follows McCauley and Holcomb to the moon crater, a sound equipment shadow moves across a rock in the foreground. (00:19:15)