Revealing mistake: The orange soda cans are supposed to be full but when they fall they are obviously empty.
Revealing mistake: During the dinner scene where Dave is thinking about Arsenio Hall eating cheese, Arsenio starts complaining about how good the cheese is. After punching one guy, he goes up to another and slaps him in the face. When he slaps him you can see he misses the guy's face by a good inch or so.
How The Elephant Got Its Trunk - S3-E6
Revealing mistake: The white around Papa's lips and eyes is slightly running when he is sprayed with water. however the white is supposed to be part of his real skin.
Revealing mistake: In the opening scene when we see Jack and Victor as small boys and then turning into old men, look at Victor when he is a small boy. At one point he looks at the crew. It is over in a split second. Blink and you will miss it.
Revealing mistake: The phone message that Ryan leaves on Luke's voicemail is different to what he originally said, which is "I want to make sure you took care of it. Take care of it," but the message recorded is, "I'm just calling to make sure you took care of it. Take care of it." Also the background sounds from the club - the music, people talking, etc, are missing.
Revealing mistake: At the very end Vince is DJing with the cobra, and when the cobra starts dancing you can see the fishing wire attached to the snake to make it move.
Revealing mistake: When Bubbles rips her wig off, her face is obviously paler than the top of her head, due to the fat-suit Matt Lucas was wearing.
The Great Bank Robbery - S4-E6
Revealing mistake: The bandits lock Bo and Luke inside closed coffins and then leave. Bo and Luke begin "rocking" the coffins back and forth to tip them over so they can escape. However in the following shots, as Luke is rocking inside his closed coffin, the camera slips or shifts too much, and you can see the barns' interior at the sides of the screen, alongside some equipment.
Kreplach and a Tiny Tush - S3-E7
Revealing mistake: When Gill called Kristy she picked up, but if you look at her phone someone is still calling. (00:02:20)
Come In, Your Time Is Up - S8-E4
Revealing mistake: In the very first scene Captain Mainwaring and Sergeant Wilson cast multiple shadows despite supposedly being in bright sunshine.
Revealing mistake: When Johnny shows up to Cobra Kai dojo and all the kids are there. In the video playback they show on the phone you can see Miguel didn't land the kick, and the kid just fell down. (00:28:18)
A Very Marry Christmas - S8-E9
Revealing mistake: As the Hecks check out the neighborhood Christmas lights, the same house with the same decorations are seen through Sue's side of the car several times, showing the background scenes of the house and decorations were replayed.
God Bless Her Rotting Soul - S8-E3
Revealing mistake: If you look at Professor Youens' left foot when he is lying on the couch you will notice a chroma key error - half his foot is almost eaten by the carpet. (00:19:15)
Episode #1.1 - S1-E1
Revealing mistake: When Michael sets fire to Madge's magazine, you can see that the flame was not directly coming out of the lighter. The effect was added in during post-production. (00:05:15)
Revealing mistake: While Rory and Lorelai are in the kitchen, in a few closeups of Rory we see the refrigerator and counter area with the microwave, etc. behind Rory, but when Lorelai is at the back door about to join Luke, part of the set beside the refrigerator is gone. (00:04:15)
Revealing mistake: During "Brand New Day", watch the background as Dr. Horrible appears as a giant and stomps down the city-street. As he takes his first step, a piece of concrete from building to his right falls off and hits the ground. However, if you look closely, it's obviously a quickly-made computer effect. As the piece of concrete hits the ground, it simply vanishes, and is replaced by a rather odd-looking animated "poof" of dust. The issue is the concrete piece was much bigger than the cloud of dust, so it's clear that the piece simply disappears right as the dust-poof appears.
Revealing mistake: When Copper is talking to Sam in the lobby, Cooper pulls out his phone to cancel his lunch date with Charlotte for that same day and his phone is time stamped as 7:35pm. (00:16:25)
Revealing mistake: During the "Cribs" segment, when Flonominal is in the hot tub, Riley is behind him moving around oddly, like a paper puppet, as if the creators forgot to animate him.
Revealing mistake: In the pilot, the exterior of a bar is shown as a scene transition. While the show takes place in Los Angeles, the bar and street intersection shown are in Providence, Rhode Island. You can see a banner with the word Providence in the shot and the street names match the intersection.