Continuity mistake: When the Shadow Duelist draws the Skull Archfiend of Lightning card from his deck, he has his right hand raised so that he can look at the card. When the shot cuts, his right hand is suddenly lowered. (00:06:28)
Continuity mistake: When Jaden asks Alexis why she is at the abandoned dorm, Alexis replies, "I have my reasons that's why" and raises her right hand to her chest. In the next shot, her right hand is suddenly lowered. (00:08:42)
Continuity mistake: After Banner mentions the powerful mystical items, Jaden replies "Millennium items, right. I've heard about this, but it's not true" and is smiling when he says this. In the next shot, he suddenly isn't smiling. (00:04:29)
Continuity mistake: When Banner tells the trio that shadow duels are duels played with powerful mystical items, Jaden's hands are on the table, but when the shot cuts, Jaden suddenly has his right hand on his chin. (00:04:25)
Continuity mistake: After Professor Banner asks, "Don't you want to hear about the abandoned dorm at the end of the island?", Jaden replies "Abandoned dorm?", whilst hunched forwards. In the next shot, he is suddenly sitting upright. (00:03:55)
Continuity mistake: After Jaden finishes his scary story, when he says, "That's the end of the story", he is looking straight forward at Syrus and Chumley, but in the next shot, he is suddenly looking upward slightly. (00:03:15)
Continuity mistake: When Syrus finishes his scary story, Jaden places the card Syrus was using face down on the table. In the next shot, the card is suddenly face up and has been replaced with a different one. Then in the shot after that, it is suddenly face up at a different part of the table. (00:02:23)
Continuity mistake: When Jaden is telling Syrus he still lives at the dorm, in the shot of him saying Ra Yellow is nice, there is a still shown at the edge of the bed. Later in the scene, when Jaden is trying to stop Syrus crying on him, the stool is suddenly further from the bed. (00:19:48 - 00:20:21)
Continuity mistake: When Jaden walks into the dorm at the end of the episode, in the shot from above, he leaves his shoes on. A couple of seconds later, when the same shot angle is shown again, his shoes are suddenly off, even though he was never shown taking them off. (00:19:37)
Revealing mistake: When Syrus and Bastion walk onto the arena field to congratulate Jaden, there are extras animated in the background who are cheering yet appear frozen and not moving in any way. (00:18:24)
Continuity mistake: In the flashback of the card shop owner giving Jaden the pack of rare cards, in the shot focusing on her, she is holding the pack with two hands, but when the shot focuses on Jaden, she is holding the pack with one hand. (00:15:45)
Continuity mistake: At the start of the duel, Jaden draws a card from his deck, which is placed in between two fingers. When the card is revealed to be Winged Kuriboh, it is now placed in between his thumb and one finger. (00:09:57)
Deliberate mistake: There is a shot of Alexis getting blasted with electricity when Etoile Cyber is attacked by Sparkman. This same shot is reused later in the episode when she attacked directly by Elemental Hero Thunder Giant, as the electricity and Alexis' position in the shot is the same. (00:12:20 - 00:18:36)
Continuity mistake: On Jaden's first turn, he draws a card from his deck. He has two fingers pressed against the back, but when the shot cuts, he now has the side of one finger placed against the card. (00:11:57)
Continuity mistake: After Alexis summons Etoile Cyber to the field, she has her right hand at her side. When the shot cuts to a closer shot of her, her right hand and forearm are rotated to the left so that she can place a card face down. (00:11:48)
Continuity mistake: At the start of the duel, Chazz draws a card and has two fingers against the back of it. When it cuts to a close-up of the cards, he suddenly has one finger against the back. (00:11:15)
Continuity mistake: After Jaden has finished watching the video message from Chazz, in the close-up of the phone, he has his fingers over the front of the phone. When the shot cuts, his fingers are suddenly placed over the back of the phone. (00:10:12)
Continuity mistake: When Professor Banner introduces himself to the students, he raises his left hand to wave to them. In the next shot, his left hand is suddenly lowered. (00:09:04)
Continuity mistake: When Alexis walks up to the boys in the duelling arena, in the first shot of her, she has her arms folded, with her right hand placed over her left upper arm. When the shot cuts to focus on her, her left upper arm is over her right hand. (00:07:20)
Other mistake: When Jaden and Syrus enter their dorm room, the curtains are closed, but this doesn't affect the lighting at all. The light isn't switched on, but the room appears exactly as it would if the curtains were open, without appearing dim or darkly lit, and the lighting doesn't change once they open the curtains. (00:02:35)
