The Dark Spirit Revealed: Part 3 - S2-E35
Plot hole: The episode ends with the reveal that Tea has the Millennium Ring and is now possessed by Marik. The last time the Millennium Ring was shown, it was thrown by Bakura at the end of the duel on the playing field. There is no way Tea could have retrieved the Millennium Ring from the playing field without the other characters noticing, seeing as how she was with them the entire time while they took Bakura back to his bedroom and had nowhere to hide it. (00:19:34)
Espa Roba: The ESP Duelist - Part 1 - S2-E9
Plot hole: Joey attempts to summon Giltia the D Knight, but is unable to because it is a Level 5 monster and monsters with that are at least Level 5 require the player to sacrifice one of their monsters that are already on the field. This is a new rule that Kaiba implemented as part of the tournament which Joey didn't know about, but in the previous episode, he watched Yugi sacrifice a monster to summon Summoned Skull, so he should have known this. (00:06:10)
