Continuity mistake: When Dougie and Cindy are discussing the raking while Cindy is knitting, the amount of finished cover varies when the shot changes.
Continuity mistake: When Cassie is in the headmaster's office, her red pencil case keeps changing position from being held up clutched to her chest with her folder, to being in her lap.
Continuity mistake: The Gentlemen's and Ladies' Department is on the first, third, or fourth floor of Grace Brothers, depending on the episode.
Continuity mistake: Season 1, Episode 5: "The Other Cousin." When Bleh enters her bus home, she receives 50 bucks from a retarded version of Spanky; there she wears her usual brown coat. But as she holds up the bill, she already wears the white fur coat she buys in the NEXT scene.
Continuity mistake: Takumi and Shingo both have their right hands duct taped to the steering wheel, as per the rules of the Gum Tape Deathmatch. During one shot of the race, Tak's hand is no longer taped and resting casually on top of the steering wheel as opposed to the right side of it.
Continuity mistake: As the boys are playing basketball at the Cleavers' house, Tooey is shown in the first shot without his glasses, but immediately in the next shot where he shoots for a basket, he is wearing them. Magical glasses, indeed.
Continuity mistake: The Duncan family is forced to stay in a hotel while their termite devoured house is fixed. Dad draws up a sketch and is showing it to the family. When he brings his sketch in to show everyone, he is holding a black Sharpie, which then disappears and becomes a yellow mechanical pencil. Then the Sharpie returns for a bit, then changes back into a pencil again. (00:05:45)
Doug Takes a Hike / Doug Rocks - S1-E4
Continuity mistake: When Roger is dancing in Skeeter's yard, he changes color.
Continuity mistake: At the end, when Beans walks into the room Louis' hands are tied in his lap. In the next shot of Louis, his hands are tied behind the chair.
What About Calling All Friends... - S2-E19
Continuity mistake: When Adam is pushing the stroller past the line at the cupcake shop the mother talking to her son has her hand in her pocket, but when the camera shot cuts it's then on her hip.
Continuity mistake: When the second bottle thrown by Pike lands on the floor, the glass from the first bottle has all disappeared.
Continuity mistake: Simon Pegg's character shouts at Manny as he is picking up a muffin, and he slams it onto the desk, smashing it and making a large messy pile of crumbs. The shot changes, then changes back so you can see the muffin (in the same scene) and it is a perfectly formed, whole muffin with no crumbs around. Then when Fran shows up and Pegg's character leaves, the muffin is back to being a messy mound.
Batman Stands Pat (2) - S1-E14
Continuity mistake: Batman's plaster-covered costume gets an instant dry cleaning en route as he drives from the sculptor's studio to the batcave. (00:05:00)
Picture Day - S1-E6
Continuity mistake: I'm not sure what type of mistake this counts as, but in here it is. In the episode "Speaking of Cancer" in season four, Jennifer reveals that she has been lying to Jack and Katie about them all having a shellfish allergy for years because it costs too much for them all to eat it, but in the season one episode "Picture Day" Dave puts down a plate and Jennifer says "Ooh are those crab-cakes?" and takes one to eat. Jack was sitting next to her, so he should have heard this and tried to stop her.
The Script and the Sherpa - S1-E5
Continuity mistake: When Vince and Eric are smoking weed with the older guy in the car, the older gentleman, Scott, is smoking from a joint less than an inch long, and proceeds to pass it to Eric. Eric, in turn, takes a hit and hands it to Vince, only the joint is now closer to two inches long.
Continuity mistake: When Dennis Leary and Michal J. Fox are at the bar, the shot Michael J. Fox has changes from being empty to partially full between shots, multiple times.
Bat Mitzvah Crashers/Super Secret Weakness - S1-E5
Continuity mistake: In "Li'l Orphan Happy" when Ben makes his mom the tuna salad, it has lettuce around it, but in the close-up the lettuce disappears. When it gets zoomed-out on, the lettuce is back.
Zero To Murder in Sixty Seconds - S2-E4
Continuity mistake: When Shawn and Gus find Johnny G's body in the car, he's slumped forward in the shots inside the car but slumped back in the shots seen through the windshield.
Continuity mistake: At the beginning of the episode, Earl says that costing his Dad the election is 4 on his list, however, on the list that they show during the title sequence of each episode, "Cost Dad the Election" is 65. (00:01:10)
Continuity mistake: When Gran and Saffy are are talking to the New Best Friend at The End of the show the first thing that happens is that a wine glass next to New Best Friend slides along the table (you see this happen on screen)then it changes from wine to water back to wine.