Continuity mistake: At the end of the battle between Jaden Yuki and Gravekeeper's Chief, just as the explosion settles, in one shot you see the Gravekeeper's Spear card to the left of Gravekeeper's Chief on the duel disk. However in the next shot Gravekeeper's Spear is replaced with Magician of Black Chaos, which Chief neither has in his deck or ever played in the match. (00:13:35)
Graduation Match: Part 1 - S1-E51
Continuity mistake: After the duel has started, Jaden and Zane draw five cards from their deck, and it then cuts to a shot from behind Zane where it pans over to show Jaden in the background. In this shot, Jaden's left hand is lowered, but when the shot cuts to an angle behind Jaden, his left hand is raised. (00:06:48)
The Seventh Shadow Rider - S1-E44
Continuity mistake: After Professor Crowler's science experiment goes wrong, he starts shouting and it cuts to a shot of the students laughing. In this shot, Alexis and two other Obelisk Blue students can be seen behind Jaden, Syrus and Chumley laughing. Then it cuts to a shot focusing on Jaden and Syrus, and Alexis and the other students behind them have disappeared. (00:03:39)
Continuity mistake: When Zane hands the hairclip back to Blair after the duel, he places it in her right hand. In the next shot, she is holding it with both hands. (00:18:08)
Continuity mistake: When the hairclip falls out of Blair's hair, it lands on the floor. Next to it is a spell card lying against the side of Zane's bed. Later in the scene, when Zane looks at the hairclip on the floor, the card next to the bed has disappeared. (00:04:40 - 00:05:27)
The King of the Copycats: Part 1 - S1-E18
Continuity mistake: After Dimitri has beaten Syrus with Yugi's deck, there is a shot where he says "It's good to be the King of Games", he has his right hand scrunched into a fist. When the shot cuts, his right hand is suddenly free and not making a fist. (00:09:33)
Continuity mistake: When Jaden and Syrus run up to Chumley on the cliffside, they stop standing under the shadows from a tree. When the shot cuts, they have jumped a few meters, now standing in the sunlight, right behind Chumley. (00:19:38)
Continuity mistake: After Chumley realises the water is shallow, Jaden and Syrus remerge after the raft Syrus builds fall apart. In the shot of them standing up, the log closest to Jaden has a rope wrapped around it twice. When it cuts to a closer shot of Jaden and Syrus, the log next to him only has the rope wrapped around it once. (00:07:57)
Duel and Unusual Punishment - S1-E7
Continuity mistake: After Chumley returns from Chancellor Shephard's office, in the shot where Jaden says "Well, you did lead us to the cafeteria", Jaden is holding six cards in his hand. The cards are side-by-side, with each card on top of the other. But in the next shot, the second card is suddenly under the first card. He also loses one of the cards in between shots, with there being six cards in the first shot, then five in the next. (00:05:00)
Continuity mistake: When Chumley hands Jaden his duel disk, Jaden puts it on and his deck of cards cannot be seen inside it. Jaden then walks over to face the Shadow Duelist, where his deck is suddenly inside the duel disk. Then a few seconds after that, he puts the deck of cards in the duel disk. (00:12:13)
Continuity mistake: When Jaden summons Elemental Hero Clayman to the field in defence mode, another version of the card appears beneath Clayman for him to kneel on. The card is shaded yellow, but around a minute later, the Clayman card is suddenly shaded orange. (00:10:14 - 00:11:09)
Continuity mistake: Crowler opens his trench coat to Chazz and his friends to reveal the rare cards. The cards are displayed in the boat as three separate rows, all equally distanced from one another. A couple seconds later, in the shot of Crowler saying "What's the matter, Chazz? Don't recognise me", the top row of cards is suddenly further away from the other two rows. (00:08:10)
Duel Distractions: Part 1 - S1-E36
Continuity mistake: When Syrus tells Chumley about his card crush, Chumley raises a card that he has a crush on to Syrus. He is shown holding the card with two fingers at a straight angle. When the shot cuts to a close-up of the card, Chumley's fingers are at a bent angle. (00:02:54)
Continuity mistake: When Chumley runs to the edge of the cliff, in the wide shot when he stops running, Chumley's hands are at his side. He then starts to shout to his father, and his hands are raised to his face. (00:19:26)
Continuity mistake: When Jaden and Syrus are saying goodbye to Chumley, Jaden extends his hand and Chumley grabs onto it with both his hands. Jaden has his thumb over Chumley's fingers at first, but when the shot cuts, Jaden's hand is completely covered by Chumley's hands. (00:18:39)
Continuity mistake: After Jaden has picked up the Level 1 card, in the shot of Syrus saying to Jaden he really lucked out, there is one card on the table in front of Chumley. A couple seconds later, when the shot focuses on Chumley and Syrus after Jaden begins the story, there are suddenly two cards in front of Chumley. (00:02:29)
Continuity mistake: When Crowler reveals the rare cards in his jacket, on the top row, there is a spell card with an orange hammer on the illustration (This card is called Hammer Shot). There are then a series of close-ups of the card, and when the Hammer Shot card is shown in the close-up, it is suddenly on one of the middle rows. (00:08:10)
Continuity mistake: When Crowler breaks the lock to the girls' dorm, the lock and the chain that the lock is placed in land on the ground. The chain changes position when Syrus runs past it later in the scene. (00:06:02 - 00:06:52)
Amnael's Endgame: Part 1 - S1-E45
Continuity mistake: When Jaden summons Bubbleman to the field, he uses the card's special ability to draw two more cards from his deck. There are two cards in his right hand, due to him drawing them from his deck. But then there is a close-up of his right hand, where there is now only one card in his hand. (00:11:00)
Amnael's Endgame: Part 1 - S1-E45
Continuity mistake: At the start of the duel, in the shot where Amnael says "Is that so? But what if you do not possess what it takes Jaden", there are five cards in his hand. The card positioned second to Amnael's right is placed beneath the other four cards. A couple seconds later, after activating Chaos Distil, whilst he is explaining the card's effect, the card positioned second to his right is now placed over the card to the right of it. (00:09:13 - 00:09:38)
