Revealing mistake: As Mac and Dennis are wheeling themselves through the mall, they pass by a clothing store where a man and woman are standing by the entrance. The woman notices the camera and waves at it. (00:15:22)
Revealing mistake: Right before Mac and Dennis start to fight in the mall, people in the store stare at the camera and a woman poses at the camera.
Visible crew/equipment: When Frank is running back to Dee's car after speaking with Barbara and Ari, the boom mic can be seen entering the shot towards the bottom right corner of the frame. (00:12:45)
Visible crew/equipment: The boom mic is reflected in Dee's car door jam when Dee and Frank are talking.
Dennis and Dee Go on Welfare - S2-E3
Continuity mistake: When Mac and Charlie are playing video games the solid orange ball (5) can be seen in the corner. When Frank is getting the grout ready the orange ball is seen in the middle of the table. It is seen on the corner again in the shot with Frank, Mac and Charlie. (00:00:10 - 00:00:45)
Dennis and Dee Go on Welfare - S2-E3
Continuity mistake: There is a red ashtray on the table closest to Charlie and Frank when they are signing the contract. It disappears from the table the rest of their conversation, and is gone when Mac walks in. When Mac begins to explain the work for welfare program the ashtray is back. (00:05:40 - 00:06:35)
Dennis and Dee Go on Welfare - S2-E3
Continuity mistake: The lady in the background getting papers disappears as the shot switches to Mac and Charlie discussing potential slaves. When they are talking about the sleeping black guy she is right next to the booth, but the shot switches when they go to discuss the white guy and she is immediately off camera. (00:07:55)
Dennis and Dee Go on Welfare - S2-E3
Continuity mistake: When Charlie lifts the "Facebook" off the counter the pencil the social service worker dropped under the book when she grabbed it rolls around and settles in the middle of the paper on the desk. When Charlie and Mac are walking away, the pencil is in the social service worker's hand, despite her never moving. (00:08:55)
Dennis and Dee Go on Welfare - S2-E3
Continuity mistake: When Dennis and Dee walk to the counter of the welfare store, the social services worker has a black pencil lead-side up in her hand, between her index and middle fingers. When the shot switches to Dee and Dennis the pencil is resting on her thumb, when the shot switches back to original angle, the pencil is again facing straight up between her two fingers. The pencil then disappears, and she is seen folding her hands when the camera is behind her, this continues until Dee grabs the pencil. (00:10:05)
Dennis and Dee Go on Welfare - S2-E3
Continuity mistake: When Frank walks up to Charlie and Mac to tell them what a great idea this was, Mac's beer is halfway full. Once the camera switches to Mac about to talk, his beer has noticeably increased. The amount of beer then goes back to halfway as Mac is about to drink, and after he drinks it is more full again. (00:12:55)
Dennis and Dee Go on Welfare - S2-E3
Continuity mistake: When Frank, Maria and Tony walk in from playing full contact football, there is a white package behind the ash tray, when the shot switches to Frank the package is gone, when the shot switches back to Maria and Tony the white package is noticeable again. This happens 4 times. (00:18:00)
Visible crew/equipment: During the scene where Dennis and the Waitress, Mac and Dee successively walk into the back office to talk to Charlie near the beginning of the episode, in some of the shots, you can see outside the office door, and you can see the top of the set has no ceiling, and even see part of a stage-light.
Continuity mistake: When the gang is sitting talking about if Charlie can pull a truck through the snow, Mac has a half full beer. When Dee walks in the beer is 3/4 empty, the shot then pans out and the beer is half full again. (00:01:35)
Revealing mistake: During the training montage, right as Mac is about to smash the bottle over Charlie's head, you can see Charlie stop what he's doing about a half-second before being hit, and brace himself for the impact, despite not being able to see it coming. This is confirmed on the DVD commentary.
Continuity mistake: In the opening scene, as the gang is being mugged, watch the background. Towards the end of the scene, there are suddenly three cars parked on the street behind the gangs after a brief cut to the mugger, despite there having been no time for them to all appear.
Continuity mistake: When we see Mac and Dennis smash the boards successively over Charlie's back, as the camera cuts to a closeup of Charlie, Dennis suddenly appears behind him, despite the fact he already smashed his board and walked off-camera.
Visible crew/equipment: When Dennis walks away from the waitress, you can see the edge of one of the cameras on the left side of the screen. (00:16:45)
Continuity mistake: When the Flip Flop Kid comes up to Dennis with a soda, it's in his left hand. It then switches to his right hand in the next shot. When he turns away to do his lap, it's in his left hand again.
The Gang Exploits A Miracle - S2-E7
Continuity mistake: Frank's whiskey glass and napkin coaster are about a foot away from the bucket as Dennis is explaining why he is fasting. When the camera cuts to Frank as he says "Forget it," the glass and napkin are suddenly right next to the bucket. (00:10:25)
The Gang Exploits A Miracle - S2-E7
Continuity mistake: When Mac asks Charlie "The good Lord is coming down on you, what's that supposed to mean?" the guy in the background with the walking cane and hat is walking away, almost to the end of the bar. When the shot comes back to Mac the same guy with the walker and the hat is right behind him again, strolling off into the same direction. (00:11:45)
