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Best TV mistakes
When Rachel finds out that Ross and Julie are getting a cat, watch Rachel's neck. When she says "together?" she's not wearing a necklace; cut to Ross and Julie for a fraction of a second, then when it cuts back to Rachel saying "both of you?" she's suddenly wearing a necklace. It then disappears again when she says "isn't that just lovely?"
Ep 3-21 Spongebob Meets The Strangler / Pranks A Lot: When the invisible Spongebob and Patrick scare Sandy, they are using a sheet to appear as "ghosts". However, the form of the sheet reveals that they don't have their helmet bowls on. How could they survive in the treedome that time? They sounded fine, not dehydrated.
When Dewey yells for Lois because the bow was put on the present, if you look to the left of Lois, you will see a crewmember kneeling down, handing Lois the red dress, who is holding a bucket of water. He quickly gets out of the camera's view. [This is on the DVD of the first season. Someone said on the audio commentary that after catching it, they deliberately left it in to see if anyone would spot it. It's still a mistake, but that's why it's there.]
After Lincoln and LJ have been recognized by the waitress, they speed off down a road. During their conversation in the car, whenever we see LJ from (his) right side, his hair is blowing in a strong draft, and is blown away from the temple. In all other shots, his hair is completely calm, and is hanging down and forward, covering his right temple completely.
Alan is sitting at the kitchen table talking to his son Jake about a math test that Jake got a bad grade on. At the beginning of the scene Alan holds the open test in his left hand. When the camera switches back to him a second later the test is now in his right hand. Finally at the end of the scene the test is back in his left hand but is now folded.
When Phoebe is lying on the ground and is supposed to be unconscious, when Cole goes to pick her up you can see Phoebe throw her arms around his neck.
When Cindy wanted a hitman to kill Ian she looks in the yellow pages to find one. Surely the police and the makers of the yellow pages would have been alerted if a hitman agency wants to advertise itself in the yellow pages?
When Charlotte approaches Wyle in front of the fire hydrant, the boom mic is visible at the top of the screen.
In the episode 'I Only Have Eyes For You', during the flashbacks to 1955 James and Grace dance, and James later shoots himself, to the song 'I Only Have Eyes For You', which wasn't released until 1959.
Throughout the episode, Number 6's lapels switch from having solid to broken white piping and back again.
When the Villains send their cronies (for example, Putties, Tengu Warriors, Cogs, Piranhatrons, etc.), their numbers constantly change from when they arrive, to when they leave.
In this episode, Jesse goes to his high school reunion and then in the flashback, he rides his motorcycle into the gym and says to his girlfriend, 'I'm graduating tomorrow, what are they gonna do, expel me?' indicating that he graduated. But in season 6 in Educating Jesse, Jesse says he's a high school drop-out.
When Alan views the kitchen, a boom mic shadow can be seen in the top left of the screen.
In numerous shots of individual characters, while on the island, the sweat stains on their clothing significantly and repeatedly change, or disappear and reappear between shots.
Season 1 - Episode 05 - Prime Suspect: When Charlie Epps is writing a quadrillion on the whiteboard, the writing alternates between shots. Most noticably when he first writes it down, there is a significant downward tendency of the 000 groups. In the next shot, they are pretty much horizontal. Also the shapes of the commas alter.
When Barnabas enters Josette's room, the door is painted white. When he leaves and Natalie follows, the door has changed to varnished wood.
Season 6 - Episode 1 - My Mirror Image: Dr. Cox's hair colour and length change back and forth significantly during the episode.
In the classroom there is a poster of Christopher Columbus in the back wall in the class. In the last shot of that scene you can notice that the poster has disappeared and is replaced with an astronaut poster.
When Will staples his Malcom X poster to the wall, the wall bends back and forth for a second or two.
In the 14th episode of the 5th season, "The Perfect Week", Lily and Marshall mention that they've been using the same toothbrush ever since they've been together, but in the 14th episode of the 1st season, "Zip, zip, zip", Marshall and Lily are simultaneously brushing their teeth with a tooth brush each (before Ted and Victoria get home).
When Shawn is talking to Belle over the phone, the Eiffel Tower can be seen outside her window, yet, she's supposed to be in Milan, Italy.
Magnetic tape recorders weren't available outside of Germany during World War II. True the tape recorder could have been captured from the Germans, but, as it was "cutting edge" technology for 1941, it would hardy likely to have ended up in a hospital office.
When Timmy is turned into a girl by a supposed wish, shouldn't he/she? still wear the pink hat? (Note: In "Secret Origin..." we know the pink hat was a girl hat.)
In the episode where Carl is "fishy sitting" for his boss, Steve is explaining to the boss how he swallowed the fish. You can clearly see the studio lights reflected in Steve's glasses.
As House describes the lady's symptoms, in the front shot Chase has a small book/pamphlet in his hand. The camera changes to a side shot in the middle of House's description and suddenly the book is on the table and no longer in Chase's hand. This happens right in the middle of House's line and Chase doesn't make any quick movements to account for this discrepancy.
When Mohinder is back in India, his mother tells him that his sister Shanti died at the age of 5, when Mohinder himself was 2. In "The Hard Part", Mohinder tells Molly Walker that Shanti died before he was born, and shows her a photo of Shanti (who looks 5 years old) and his pregnant mother.