Visible crew/equipment: In the foot-chase-on-the-beach scene, there are tracks in the sand from the camera crew's truck. They vanish and then reappear when the camera angle changes.
Summit Meeting: Part I - S2-E9
Visible crew/equipment: When Vice Chancellor Alquist walks to his Mercedes, camera crew and equipment are reflected in the chrome of the vehicle's engine grill.
Visible crew/equipment: As Blue escapes from the fake Cloudbase, a puppeteer's arm can be seen throwing the puppet through the window.