The King of Omashu: When Bumi throws the meat at Aang and Aang catches it using his airbending, there appears to be a piece of meat on his plate. But when he stops airbending the meat, it lands on an empty plate.
The Day of Black Sun Part 2: When Azula taunts Sokka to the point that he ran towards her, Toph pinned her left hand to the wall at her left side, however when next seen she has both hands pinned to the wall above her head.
The Day of Black Sun Part 1: It is interesting that The Mechanist was attempting to make peanut-sauce bombs, as peanuts are in actuality an ingredient in dynamite.
In The Runaway, Sokka tells Toph he was planning to make armor for Appa, which he completes for the invasion. Toph gives him money to buy expensive atlases, which are used to explain the invasion plan.
The Deserter: When switching Sokka and Aang's masks around, Katara's necklace disappears.
Sozin's Comet Part 1: The Pheonix King: Sometimes when we see Sokka's sword, it's the color of a regular sword instead of black.
In the scene where Aang wakes up on the island, he is barefoot, but after Momo wakes him up he is seen wearing shoes.
The Runaway: When Katara prepares to bend in the beginning of the training season, the dark red stripe at the bottom of her skirt is gone.
Toph didn't have a sole in her shoes. But when she got caught by Fire Nation Army soldiers, there is a sole in her shoes.
When Katara confronts Toph with the wanted poster, she is barefoot, but later in the argument, when we see a birds-eye view, she is wearing sandals.
Toph informs The Dealer that she is blind. But at the same time she talks, she take the coin from Aang hands like she isn't blind.
At the shop to collect the bounty money, Combustion Man came in with a golden arm instead of a silver arm.
Bitter Work: While Aang tosses a rock back and forth, he is shown barefoot. When the camera zooms in, Aang is shown with his shoes on.
When Iroh was drawing the bending symbols on the ground, he only drew two of the three swirls in the waterbending insignia.
