Duel and Unusual Punishment - S1-E7
Other mistake: In the close-up shot of the cards in Jaden's hand on his second turn, it is revealed he drew Elemental Hero Clayman from his deck. The Clayman card is shaded orange, but since Clayman is not an effect monster, it should be shaded yellow. (00:08:26)
Duel and Unusual Punishment - S1-E7
Other mistake: When Syrus activates Polymerization to fuse together Steamroid and Gyroid, he pulls out the two monster cards and raises them in the air. However, Patroid is shown instead of Steamroid. (00:14:15)