Visible crew/equipment: In the episode on Sat. 21st July 2007: At the end of the episode, Guppy is seen by an ambulance, and in the window you can see all the camera equipment.
Santa Claus - S1-E12
Visible crew/equipment: When Mark Harris shows Matlock into his office, the actors' three tape marks (one T-mark) are visible on the carpet behind the chair, and at the bottom of the screen.