Continuity mistake: The box Ed pushes off the elevator lands in front of Dave. When Dave picks up the box it has moved.
Retirement - S5-E21
Continuity mistake: When everyone is at the conference table at the beginning, there is a bottle near Max that keeps changing position.
Continuity mistake: While Max and Lisa are talking about how he likes Beth the person in the booth changes.
Continuity mistake: When Bill is in Dave's office trying to be funny the coffee mug on Dave's desk changes position a few times.
Beep, Beep - S4-E16
Continuity mistake: At the end of the scene between Bill, Lisa, and Dave when Lisa is yelling at Bill about lying that they had sex, the person in the booth is seen taking off her headphones twice.
Continuity mistake: When Dave's friends are at the conference table and Joe comes to talk to them, the door to Lisa's office is open. The next shot inside Lisa's office, the door is closed.
Continuity mistake: When everyone is at the conference table and Bill is telling them that he is going to have a baby he is holding a cup, after the opening credits, continuing the scene immediately, the cup is on the table.
Stupid Holiday Charity Talent Show - S4-E8
Continuity mistake: While they are talking about the talent show at the beginning of the episode the coffee mug on the table changes position.
Continuity mistake: When Catherine and Jimmy are talking in the break room, after Catherine gets done telling her story there is a pile of napkins on the counter the top - one is folded. When Catherine and Jimmy hug, there is no longer a folded napkin on top.
Super Karate Monkey Death Car - S4-E4
Continuity mistake: When Bill is pretending to be Matthew and he falls off the chair he knocks over his coffee mug and Lisa reaches to put it upright. The shot changes and it is already upright. Also there is nothing in it, he then picks it up and leans back in the chair and falls again, and coffee comes out.
Continuity mistake: When Dave and Andrea are talking and walking away from the conference table, Bill is getting up, the next shot he is at the top of the stairs going into the booth.
Continuity mistake: When Jimmy and Matthew hug the elevator doors begin to close, the shot changes and the elevator doors are open then begin to close again.
Continuity mistake: For this episode only the light switch in the break room is a dimming switch rather the the normal ON/OFF switch.
Continuity mistake: When Catherine sits down at the break room table Beth is seen walking out of the door twice.
Continuity mistake: At the beginning of the episode when they are talking about last year's Halloween party and what Matthew went as the number of pencils in the cup changes from 3 to 4, then back to 3.
Continuity mistake: When everyone is in the bathroom talking to Matthew about his mustache the camera is on him, and Beth can be seen moving her hands. The shot changes to showing everyone and her hands are down at her side, not moving.
The Injury - S2-E22
Continuity mistake: When Jimmy wipes off the dry erase board with his sleeve he does not get all of it, but when he goes to write on it is completely clean.
Continuity mistake: When Lisa and Dave are talking about lunch in Dave's office the coffee mug on Dave's desk changes position.
Continuity mistake: When Lisa is helping Joe with the test he gets her a soda, he puts it on the table she then moves it. It is right next to the can of peanuts. Lisa is seen moving the can of peanuts back, there is one shot that shows it now behind the can of soda, then the next shot they are again next to each other.
Continuity mistake: When Lisa and Beth are talking in the break room there is a clipboard with a corner on a red folder. When Beth leaves they are now next to each other.