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)
Continuity mistake: When Bastion is looking out the helicopter window, no-one else can be seen near him, but in the next shot, another student has appeared standing next to him. (00:00:06)
Continuity mistake: On the helicopter arriving at Duel Academy, Syrus has his hands placed on the window. In the first shot, his hands are placed partially on the window frame, but in a closer shot, his hands are placed nearer to the centre of the window. (00:00:06)
Welcome to Duel Academy - S1-E1
Continuity mistake: After summoning Elemental Hero Flame Wingman, in the shot of Jaden saying, "So teach, what do you think", the Wingman's tail is pointed upwards. When the shot cuts, the tail is pointed down towards the ground. (00:17:10)
Welcome to Duel Academy - S1-E1
Continuity mistake: When Jaden draws Winged Kuriboh from his deck, in the shots where the card is shown from the front, Jaden has the side of one finger placed against the back of the card. But in the shots where the card is shown from the back, Jaden has two fingers pressed against the back of it. (00:13:52)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: As soon as the tag duel begins, Jaden draws out 5 cards from his deck. He is first shown to have the five cards placed in his right hand with his thumb placed on the front and two fingers placed on the back. In the next shot, as Jaden nods to Syrus, Jaden is now holding the cards with his two fingers now wrapped around all five of the cards. (00:07:20)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: The shot after Dox summons Kaiser Seahorse, an overview angle is shown and the Kaiser Seahorse is directly in front of Dox. Later on, after Dox summons Kazujin, the Kaiser Seahorse is now to the left of where it was originally. (00:07:55 - 00:08:50)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: When Dox summons Kaiser Seahorse, the sea horse's spear is held in its hand, completely level. Next shot from a far distance, the sea horse's spear is now held slanted and positioned upwards. (00:07:55)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: After Dox has summoned out Kazujin to the field, Dox criticizes Jaden and Syrus and Para replies by saying "And if they think this is starting to get ruling..." As he says this, Dox is visible in the background smiling and grinning at Dox. In the next shot, as Dox continues the line, Dox is now suddenly looking angry. (00:09:00)
Tag Team Trial: Part 2 - S1-E11
Continuity mistake: After Jaden has summoned on out the Elemental Hero Tempest card to the field, Bastion says it still can't beat the Dark Guardian. The shot then pans over to Alexis where she then replies "Bastion, just whose side are you on?" As she says this, behind her is another row of seats. The previous row of seats behind her are almost directly behind the seats Bastion and Alexis are sitting on. From an instant big close-up of Alexis thinking to herself "I hope you know what you're doing, Jaden", the row of seats behind her are now no longer pointing directly behind their seats. The half way point are now in fact pointing directly at the edge of one of the seats she and Bastion are sitting at. (00:13:15)
Tag Team Trial: Part 2 - S1-E11
Continuity mistake: When Alexis suggests that she and Bastion should hope that Jaden has a strategy, the shot where Bastion replies is a reverse angle of Bastion and Alexis, and Syrus is visible very far back in the background on the field. In this shot, Syrus is several meters away from the green line on his right. In the next shot, when Syrus is shown up close, he is suddenly standing only a few feet away from the green line. (00:02:20)
Tag Team Trial: Part 2 - S1-E11
Continuity mistake: After Jaden activates Fusion Gate, he raises the Elemental Hero Avian card and the Elemental Hero Bubbleman card in his hand to show it to the Paradox brothers. As he finishes raising the cards, he is shown to have the two Elemental Hero cards slightly tilted to the right. Next shot, as he says "And why don't we throw Sparkman into the mix as well?", the Elemental Hero cards in his hand are now less tilted than they were in the previous shot. (00:12:50)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: After the opening credits have played, Jaden and Syrus are shown with a pair of dueling cards in their hand. In a close-up, Jaden is shown with the cards - Polymerization, then Elemental Hero Sparkman, then Elemental Hero Clayman, then Elemental Hero Burstinatrix and finally Elemental Hero Avian. In the next shot, Jaden is shuffling the five cards around in his hand. Chumley then says "How can you guys be so calm?", but when the shot cuts back to Jaden, all of the cards are still in the correct place, despite his shuffle. (00:02:05)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: After Jaden has waved a hello to Chumley, the scene cuts to Zane watching Jaden and Syrus over the hand rail. At this current moment, visible in the seats in front of him are several Obelisk Blue members and two Slifer Red members. After Syrus has discovered Zane there and begins to walk over to the field, a shot shows Syrus at the front of shot and walking out of shot with Zane in the background. Only now, the students on the rows in front of him have differed completely. There are fewer Obelisk Blue members and way more Ra Yellow members. (00:04:45)
Tag Team Trial: Part 2 - S1-E11
Continuity mistake: Para and Dox point out to Jaden that Dark Guardian cannot be destroyed against the Elemental Hero Tempest card, so Jaden then unveils his Skyscraper card and activates it. The buildings coming from the Skyscraper card are shown to be ascending upwards and Jaden at this current moment is shown to be looking straight upwards at the Skyscraper card. As Jaden says "Ever hear you should never play in a construction zone" in the shot following, he is suddenly looking straight forwards at the Paradox brothers. (00:13:40)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: The turn after Dox summons Defense Wall shows Syrus drawing Cycroid from his deck. After he draws the card, he is shown to have two of his fingers wrapped around the back of the card. In the next shot, those two fingers are now pushed on the back of the card. (00:18:30)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: When Jaden and Syrus notice Chumley has came to the arena, Chumley is in the background with his hands on the edge of the hand rail. By the next shot, Chumley suddenly has his hands placed further down. Then when the shot returns to Jaden and Syrus, his hands are suddenly back at the edge. (00:04:40)
Tag Team Trial: Part 1 - S1-E10
Continuity mistake: After Chazz tells Chumley he is going to have a lot more room, Zane is shown staring at Jaden, Syrus and the Paradox Brothers. The next shot shows the brothers doing a monologue. As Para says "We didn't come to talk", Para stretches out his hand and Dox stretches out his hand at he same time. Dox's hand is shown to be placed directly in front of Para's hand in this shot, but by the next shot, their hands are more stretched out and are further away from each other. (00:06:15)
Tag Team Trial: Part 2 - S1-E11
Continuity mistake: When Syrus says the brothers are right, Jaden says "They're not right, Sy" and extends his arm and duel disk. The arm and duel disk are perfectly level in this shot, but slightly elevated in the next. (00:04:15)