Continuity mistake: When Lois recovers in her apartment from the knock-out gas and starts swinging, Batman pushes her against her nightstand. But once she calms down and the camera makes a wide shot from the ceiling of the room, Lois and Batman suddenly crouch quite a distance away from the nightstand.
Winning Through Intimidation - S1-E15
Continuity mistake: Panik's Metal Guardian can be seen on the field several minutes before he actually plays it. (00:10:30 - 00:13:00)
Cricket's Place/Volunteer Tilly - S1-E30
Continuity mistake: When Bill opens the bathroom door, it's brown, then green.
Continuity mistake: In the episode where Fester invents a fabric: When Fester lies down on the parking lot, his head is first pointing upwards, towards a car, then in the next shot he has turned 90 degrees and his head is pointing towards Norman's legs.
Continuity mistake: The scene where Dr. Denman captures the mermaids and they fight back with their powers. Emma's facial expressions changes between cuts. (00:07:15)
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.
Continuity mistake: Sometimes Cyborg is waterproof and sometimes he isn't.
Continuity mistake: When Pat solves a crossword puzzle, there is a map on his desk that lies entirely on the desk, on which an iron lands. In the shot, when Pat touches the hot iron and throws it out the window, the position of the map changes and its edge now hangs from the table.
Continuity mistake: Chris has a blue dye pack explode on him, covering the front of his clown costume and face. But then shortly after, the dye is gone from his face and clothes.
Continuity mistake: Debbie Dobson is looking through a photograph album, the pages she has open have photos of her sister Gemma. The angle changes when Gemma enters the room, just before Debbie turns the page the photos that can now be seen are of Debbie herself. (00:04:45)
Continuity mistake: The fish that Harley uses to protect herself from the Joker changes shape and size every shot.
Continuity mistake: To beat the traffic, Coop skateboards inside a construction pipe. The pipe is on the back of a truck, so it's not exactly very long, and gets picked up by a crane arm mounted on the truckbed itself. However, Coop takes ages to come out of the pipe, and in the shot from inside the pipe it looks as if is dozens of meters above the street level, which isn't. (00:08:00)
Firefly, Light My Fire - S1-E1
Continuity mistake: When the boys are tied up, they begin with their feet tied but in the next shot, IQ and Courage have their feet separated.
Six-Can Solution/Silence of the Sheep - S4-E21
Continuity mistake: In "The Six Can Solution" Odie steals 6 cans, then when he gets to the girl's house there are 12 cans in his red wagon when the camera zeros in on Squeak. (00:10:10 - 00:11:30)
Me and Mr. T - S1-E4
Continuity mistake: When the teacher is asking the class questions about the declaration of independence, she has some info about it written on the blackboard ending with "1776 in." Then facing away from the blackboard, she asks a question and Mr. T quickly answers and then only a second later, the camera is back on the teacher and suddenly the world "PHILADELPHIA" is on the blackboard under the "1776 in" with no time for her to have written that word in one second.
Continuity mistake: After Michael's tooth falls out, the toys go to clean it. When they accidentally squeeze the toothpaste on each other, it finally shows Alfred holding up the toothbrush correctly because Diesel can't seem to, Alfred's appearance is short, dark green and smaller in size. But then Johnson appears and says "I'm going to remove this toothpaste tube before it causes anymore damage" the shot cuts to Alfred with the toothpaste squeezed on him, and his appearance has changed; with a larger head, bright green body and larger in size. A few shots later, he is back to his original form.
Members Only - S1-E2
Continuity mistake: In the last scene, when Daffy and Bugs are talking to each other, Daffy's towel is yellow and in the next shot, it's white.
Rocket to the Moon/The Birds - S1-E3
Continuity mistake: "The Birds" - Sheep has the egg in a baby buggy next to the basketball court. She and the buggy are at the side lines. One of the others accidentally hits the ball towards the buggy and Sheep blocks it with her face, scoring a goal. Suddenly she and the baby buggy are in the center of the basketball court.
Pumpkinhead - S2-E5
Continuity mistake: One of the pumpkins that the kids bring home is completely different to the ones they took from the pumpkin patch.
Continuity mistake: Mike's hair keeps changing throughout the episode.