When Alexa searches through her bag for the magazine, she moves a couple of pens, only for them to be duplicated as they are also still shown in their original position.
When Ash is eating the pie, his gloves are missing.
In a recurring error, when Iris first releases her Dragonite from his Poké Ball, his antennae are briefly the same orange color as his body.
When the Pokémon Sumo Tournament is about to begin, Hariyama's feet are colored the same way as its legs, and Slaking's eyes are colored the same way as its skin, save its sclerae.