Visible crew/equipment: When Nina's just been shot, and makes it to the barn to call CTU (around 7.10am), while she's speaking on the phone there's a cameraman visible on the right hand side (DVD). (00:12:40)
Visible crew/equipment: In the episode, "Anomaly," at the beginning, when Phlox is looking at his animal cages, you can see a string or wire attached to one of them, presumably the means by which the cages are shaking.
Visible crew/equipment: At the dance club when Caleb Mathias holds Emma, Brennan comes to the rescue with a few swift airborne kicks. During one particularly high kick, the lines attached to Brennan are in perfect view above him.
Visible crew/equipment: During the Battle of Orleans, two crew members and a camera appear on the right side of the screen, for about 5 seconds, one of them wearing a cap.
Visible crew/equipment: In the first run through of Sydney driving into the dock in the car, the cable being used to pull the car is visible if you look closely in the long shot. (00:01:50)