My Old Friend's New Friend - S4-E1
Visible crew/equipment: When JD and the Janitor are having a conversation outside the hospital, on the giant X, crew members are reflected in JD's helmet when the camera is facing the Janitor.
Visible crew/equipment: When JD and his date are riding in the car, JD runs over something. When they stop the car to see what it is you can see a kneeling crew member reflected in the side of the car.
My Drive-By - S4-E24
Visible crew/equipment: When Doctor Cox looks at himself in the gold balloon each time, look slightly to the right of the shot, you can see the camera and part of the camera man in the reflection. (00:08:00)
Answer: Dan was drinking beer and Cox feared that Dan might get so intoxicated he would fall asleep and drown in the tub.
Mortug