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)
His Story IV - S6-E7
Visible crew/equipment: When Slagathor is watching Laverne, Dr Cox and Elliot and Turk argue amongst themselves, you can see just under Slagathor's feet the tape she is standing on to tell her where to stand during filming. (00:11:20)
Visible crew/equipment: When the elevator stalls, Ted and Gooch start singing their state songs to Cox and Kelso. As they start their song for Arkansas, a boom mike momentarily dips just a bit into frame at the top.
Answer: Dan was drinking beer and Cox feared that Dan might get so intoxicated he would fall asleep and drown in the tub.
Mortug