Mac and Dennis Break Up - S5-E9
Continuity mistake: Frank puts his hands up when Dee grabs the hammer near the end. In the very next shot, his hands are down.
Mac and Dennis Break Up - S5-E9
Continuity mistake: The liquid stain on Dennis in the restaurant suddenly becomes much smaller when he offers to pay Mac's tab, then gets larger again as he smiles.
The D.E.N.N.I.S. System - S5-E10
Continuity mistake: When Dennis is playing the voicemail from Caleigh, the way he holds the phone changes between shots.
The Gang Reignites the Rivalry - S5-E12
Continuity mistake: When Dee is practicing cup flipping in front of Mac and Charlie, all the cups are right side up. In the next shot one is lying on its side without her knocking it over.
Mac Fights Gay Marriage - S6-E1
Continuity mistake: When Mac goes back to the gym with the Bible, he opens it when taking to Carmen. When her husband comes up and the shot changes, the Bible is now closed.
Mac Fights Gay Marriage - S6-E1
Continuity mistake: When Mac is doing his demonstration with the electrical cords, he's holding them up. In the next shot, you can see one already lying on the counter. The position of the cords continues to change through the scene.
Continuity mistake: When Dennis and Maureen argue after he gets home from the strip club with Mac, Mac is shown standing in the kitchen carrying a liquor bottle in a paper bag. After a quick cut to Maureen, Mac is sitting down and the bottle is shown out of the bag and on the table. After another cut to Maureen, the bottle is back in the bag and Mac is just taking it out. (00:07:30)
Mac and Charlie: White Trash - S6-E5
Continuity mistake: When trying to get into the club pool, Mac takes two beers from the 6-pack that are from the same side, so that the remaining beers are in a 3 x 1 configuration. Later, you see on the table and when they're walking away, the missing beers came from the front so the remaining beers are in a 2 x 2 configuration.
Continuity mistake: When the McPoyles are telling their version of the night, Charlie grabs the guy in the grey mask and his hood comes off his head. But then it's back on.
Dee Reynolds: Shaping America's Youth - S6-E9
Continuity mistake: In the final scene, in the principal's office, an orange magically appears on the desk in the middle of the scene. (00:20:08)
The Gang Gets Stranded in the Woods - S6-E11
Plot hole: When Charlie and Dennis are on the plane, Dennis asks Charlie to give him his phone so that he can text Mac. In the next scene, Mac receives a text which he says is from Dennis. But Dennis was using Charlie's phone, so there was no way Mac could have known it was Dennis texting him. (00:20:20 - 00:21:45)
A Very Sunny Christmas - S6-E13
Continuity mistake: When Mac and Charlie are still on Ricky's porch after he's closed the door, Charlie's hands are empty. But in the wide shot when they're leaving, Charlie is now holding the robot, even though it's meant to be a continuous shot because there's no break in their conversation.
The Gang Goes to the Jersey Shore - S7-E2
Visible crew/equipment: When Dee and Dennis are walking across the beach, the shadow of the camera can be seen on Dee's stomach. (00:03:55)
Other mistake: In the opening of this episode the screen reads "3:50pm On a Wednesday." When Gino (Frank's Brother) is reading the letters meant for Shadynasty, he says "Meet me at the airport, Friday, at 5:00, Terminal C." The gang and Gina then go along to the airport that very afternoon - a Wednesday - to try and meet Shadynasty and get her and Frank back together. And of course she is there, despite it being a Wednesday, not a Friday.
The High School Reunion - S7-E12
Continuity mistake: Mac puts his name tag on over his lapel, but when Dennis walks away, Mac's name tag has moved and is no longer over his lapel.
Charlie and Dee Find Love - S8-E4
Character mistake: Near the end, when Charlie is leaving to be with the Waitress, Ruby says she wasn't using him "like Charlie was." She's talking about her brother and meant to say "Trevor."
The Gang Gets Analyzed - S8-E5
Continuity mistake: When Dennis tells Mac to take a size pill, the bottle has the cap on. But in the next shot, the cap is off and in Dennis' hand.
Charlie's Mom Has Cancer - S8-E6
Continuity mistake: P-Diddy's glasses appear and disappear when we first see him.
Continuity mistake: During dinner, items on Frank and Charlie's table move around, for example, the pepper shifts, most noticeably when the house wine is brought over.
Reynolds vs. Reynolds: The Cereal Defense - S8-E10
Continuity mistake: During Mac's presentation of science being wrong sometimes, the "bitch" labels move around after he slaps them on.