Visible crew/equipment: Whilst Eddie is watching Miss World on the television, Richie walks over to the window to clear the uneaten food from the plates. In the shot shown from the window looking into the apartment, just as the shot starts, a boom mic can be seen towards the left of shot and is then quickly pulled out of frame. (00:13:55)
Katokutai shutsugeki seyo - S1-E4
Visible crew/equipment: When Neronga is shown destroying the power station, one specific shot shows Neronga roaring while tilting its head upwards. In the next shot, two metal wires can be seen being connected on top of the head, possibly used for the previous Neronga's roaring shot. (00:19:24)
Beauty and the Obese: Part 1 - S1-E1
Continuity mistake: Once the episode cuts to the inside of the Tender Loin club, a stripper dressed in blue and yellow is on the table with a very large group of men sitting around her. Once the kid comes in with the fake I.D. and is shown around by the manager, suddenly the crowd around the stripper's table is much smaller. (00:01:54)
Gakkou wa senjouda! Taiketsu Ryouma vs Ryouga - S1-E8
Continuity mistake: The portion of Akane's hair cut by Ryoga's metal belt is much bigger once the hair hits the ground. (00:21:20)
Continuity mistake: Charlotte arrives home and places the garment bag right next to her daughter's jacket. A shot later it's 30 cm away, only to reappear next to it a shot later.
Continuity mistake: When Max challenges the Shark to a game of pool, Max's hand holding his cigarette jumps to the tip of his pool cue, and a chalking cube appears in his hand from nowhere. (00:19:00)
Continuity mistake: When Nostalgia Critic opens the door to Burton Land, the giant bottle of potion they just drank out of behind them vanishes. (00:01:30)
Used Karma - S1-E3
Continuity mistake: At the end of the show as Bertram scares the kids, he sits down to watch his movie. In the first shot you can see that Mr Kipling is not present, but in the next shot he is.
Continuity mistake: When Rene comes upstairs to speak to Michelle, his hands and arms are covered in cement. However, when he arrives in the cafe from the basement his arms and hands are clean. Not enough time has elapsed for him to clean them all perfectly. (00:03:05)
Is Lupin Burning... ?! - S1-E1
Other mistake: The logo of the evil organization, Scorpion, contains just a little misspelling. It's missing the R. (00:02:50)
7 Continents for 7 Koopas - S1-E22
Character mistake: When first displaying the screens which have the names of the continents listed underneath them, Antarctica is misspelt as "Antartica."
Better Never Than Late - S3-E16
Visible crew/equipment: While Kate and the family are seated on the Cannonball headed to Pixley, after Charley tells Floyd to look at the pressure gauge (because he forgot to load the tender), when it cuts back to Kate we can see a crew member (animal trainer likely) making hand gestures, at the right side of the screen.
Midori no chikyû wa makasetoke - S1-E2
Other mistake: When Yurika restarts the Nadesico, one of the screens pop up with a huge congratulatory "SAFATY ROCK OFF." (00:18:05)
Old Friends, New Names - S1-E1
Continuity mistake: Pete tells Tiff that he has so many questions. She reaches his face and holds it between her hands. She has two fingers on his ear, then her index only, then the fingertips are on his chin. (00:02:10)
Revealing mistake: When Lois and Clark are checking out Lenny Stoke and Derek Camden on Lois' computer, you can see the computer screen showing the script for Lois in that scene. (00:07:40 - 00:08:20)
Don't Look a Gift Horse in the Mouth (a.k.a. Gift Horse) - S1-E8
Continuity mistake: When the landlord is banging at the apartment door, his cardigan changes from blue to brown, and from unbuttoned to buttoned. (00:04:15)
The Hit Car - S1-E3
Continuity mistake: When Ralph catches the guy in the van Bill pulls his car up alongside, and when Bill gets out of the car he has a blood stained gauze bandage around his left hand, but as Bill cuffs the guy in the closeup the gauze bandage has vanished. (00:28:20)
Land of Hold/Penny Henny - S2-E17
Deliberate mistake: When Garfield brings Jon to the broken TV, the scene's animation is still unrendered. (00:01:04)
Continuity mistake: The bottle of orange soda on the breakfast tray Dick tries to bring to Mary changes to a bottle of alcohol (Jack Daniel's I believe) when he sets it down. It later changes back into the bottle of orange soda.
Polly Wants a Treasure - S1-E8
Continuity mistake: In the scene where Baloo and Kit walk through the Sea Duck's cargo area to try and find who they think is a stowaway, Baloo lifts a crate of fragile crystal glasses over his head. The crate rotates between shots, judging by its red "Fragile" stamp.