Continuity mistake: When Carol and Luka are sitting in Wrigley Field she has a Diet Coke can in her hand. But when she goes to stand up, she leans down and picks up the can of Coke from the floor - even though at no time did she put it down there.
The Peace of Wild Things - S6-E6
Continuity mistake: An elderly patient is grabbing at Dr. Lawrence's hands and crying, "Help me." He pulls his hand out of her grasp, but in the next shot we see him pull it away from her again.
Greene with Envy (a.k.a. Lawrence of Northwestern) - S6-E3
Continuity mistake: When Dr. Lawrence is tending to the patient with the stabbed wrist, the blood splatter on his lapel goes from bright red to brownish and back to red within a few shots.
The Peace of Wild Things - S6-E6
Continuity mistake: When Peter is doing the DNA test on Reese, the little boy's hands alternate from being behind him to being in front of him throughout the scene with no time for natural change.
Continuity mistake: After Carter pulls the IV out of the patient who was allergic to sulfa, Malik asks, "Where's all the blood coming from?" and we see the patient's arm outstretched, bleeding from where the IV was. Carter says, "She must have pulled the IV out", and we see her arm folded up over her stomach - there was no time for the change in position.
Continuity mistake: After saving Mr. Perez, Carter says "That's a nice save" to Mark, and takes his stethoscope out of his ears and wraps it around his neck. The next shot, however, from behind him, shows the stethoscope is still in his ears.
Last Rites - S6-E2
Continuity mistake: Carol puts a chart on the counter and says, "I need 2 mgs of morphine for Mrs. Bragha", and Doctor Dave signs, with both arms on the counter when the camera is on Carol. But when the camera is on him, he has has one hand on the counter and one arm down by his side. This happens for a few shots.
Continuity mistake: When Mr. Perez pushes Carter into the window, Carter's stethoscope is around his neck with the earpieces on the right. At one point during the fight the stethoscope is around his neck with the earpieces on the left - and then returns to the other position.
Continuity mistake: When Carter goes into the lounge, he leans his crutches against the lockers and then moves his bag off his shoulder. One crutch falls to the floor, then the bag, then the other crutch. When the shot changes to show these items on the floor, the bag is lying neatly on top of the crutches - an impossibility due to the way they all fell.
Continuity mistake: When Mark gets up from the snowbank and chases Elizabeth into the ER, his red bag is over his right arm. When the shot changes to show him entering the hospital, his bag is over his left arm - he wouldn't have had time to change it.
Continuity mistake: While operating on Lucy, Kerry Weaver gets massive amounts of blood on her left sleeve, but when she is sent to the OR the sleeve barely has any blood on it.
Continuity mistake: When Cleo and Mark are playing basketball, when Mark shoots for the first time Cleo is standing to the left of the hoop - when the ball hits the rim it launches off the rim to the right, but in the next shot Cleo has the ball.
Continuity mistake: When Abby gets bitten she holds her wrist but in the next shot her hand is covering her upper forearm.
Continuity mistake: When Elizabeth and Mark are in the trauma room for the first time the blue X-ray coats they are wearing disappear instantly right before the camera pans behind Elizabeth.
Continuity mistake: During the opening credits, Carol is doing desk dury and says, "Hey, you're back" to Luca and her hand with a pen in it is up in the air. But when the shot changes, her hand is lying on her stomach. These alternate positions continue for a couple of shots.
Greene with Envy (a.k.a. Lawrence of Northwestern) - S6-E3
Continuity mistake: At the beginning of the show, Randi is talking to Dr. Lawrence and is holding her neck tag on its lanyard in front of her, but as she says "Malik" and the camera shot changes, suddenly her left hand is on her waist.
Continuity mistake: This episode is an instant continuation of episode 13. At the beginning of the episode, Kerry is walking in and asks if Mark is still on. Carol says he left at 8 for a double date. However, in the last episode, Mark was already at a restaurant with Elizabeth and their parents when Abby pronounced a patient's T.O.D. As 19:19. (00:00:55)
Continuity mistake: When young Robbie stands at the doorway of the trauma room with his father's body, the green door to the back supply cabinet is wide open and the floor is relatively clean, but when Robbie stands beside his father there are changes such as that cabinet door is closed, and the floor is littered with used latex gloves, etc. Then the cabinet door is wide open again when Carol and Luka walk in. (00:31:45)
Answer: A man named Paul Sobriki comes into the ER in the season 6 episode 13 " All in the Family." He is complaining of headaches, Carter and Lucy decide to rule out meningitis and do a lumber puncture. Paul struggles during the procedure and believes that both doctors are stabbing him. Lucy, who is interested in Psych thinks something is wrong with their patient mentally, but Carter is dismissive of her. She gets cross with his attitude and she calls the psych department anyway to have a look at him. Later on and near the closing 20 minutes or so of the episode, all the staff start playing loud music and get a cake which appears to be blue lol, together to party as it's Valentines Day, Carter returns from somewhere and asks where Lucy is. He goes to check one of the rooms for her and Paul Sobriki comes up behind him in the dark and stabs him twice in the lower back, he collapses and as he falls unconscious he sees Lucy on the ground also. In the next episode, Be Still My Heart (ep 14), Dr Weaver discovers them and all of the staff work to try and save them, whilst Carter survives. Lucy's wounds are fatal and suffers a pulmonary embolism as Corday and Romano try to save her. Carter is grief stricken and feels guilty about the way he treated her, he becomes addicted to painkillers and Benton, Greene all help him and book him into rehab.