Sinister Secrets: Part 2 - S5-E13
Revealing mistake: When Zigfried is saying, "There is only one true victor here, and that is Schroeder Corp," there is a brief montage of different groups of people watching the duel. During the montage, there is a shot of a family in the living room. A boy can be seen sitting on the floor with duel cards, and the cards that are face-up are missing the illustrations. (00:16:55)