My Boss's Free Haircut - S4-E20
Other mistake: When Bob is trying to get into the patients room, he uses a screwdriver to break in. The door opens into the room with the hinges on the inside, theres no way he could get at them and the door frame is intact as shown when the door falls in.
My Boss's Free Haircut - S4-E20
Revealing mistake: When Carla and Elliot are walking through the graveyard, Elliot falls into an open grave. After she has fallen off the bottom of the screen, you can see her ankle flick up in the bottom of the picture, showing that she actually just fell down on the floor during shooting.
My Boss's Free Haircut - S4-E20
Continuity mistake: Dr Cox asks Dr Kelso the last time he looked after a patient and it flashes back about 20 years, but in the episode "My Karma" (season 2) Dr Kelso gives Elliot his patients to take care of.
My Boss's Free Haircut - S4-E20
Continuity mistake: After Elliott falls into the grave, she tries to pull herself out by placing both hands on the edge of the grave and jumping. When she falls back in again, there are two clumps of dirt missing from the edge where her hands were. In later shots, the edge of the grave is unmarked.
Answer: Dan was drinking beer and Cox feared that Dan might get so intoxicated he would fall asleep and drown in the tub.
Mortug