Unleash the Dragon: Part 1 - S3-E25
Continuity mistake: When Jesse breaks open the capsule, he picks up the Rainbow Dragon card inside it. In the shot of the capsule being opened, the card is drawn way too small, compared to every other time cards are shown in the series. (00:12:55)
Unleash the Dragon: Part 1 - S3-E25
Continuity mistake: When Jaden raises his Instant Fusion card, the card is held at a slanted angle, but in the next shot, the card is held at an upright angle. (00:15:55)
Unleash the Dragon: Part 1 - S3-E25
Continuity mistake: After finally obtaining the Rainbow Dragon, Jesse raises his hand into the air and says "I finally completed the Crystal Beast deck" and Axel replies "You all done talking to this guy over there." At the end of the shot, Jesse's right hand is still raised, but in the next shot of Jesse, his hand is suddenly lowered. (00:13:20)
Unleash the Dragon: Part 1 - S3-E25
Continuity mistake: When Jesse and Axel find the capsule, the rocket it crash-landed is broken into two halves. The front section of the rocket is dark grey, and orange around the area that is broken off. But in the next shot, the front section of the rocket is light grey (also the same colour as the rear section). (00:11:39)
Unleash the Dragon: Part 1 - S3-E25
Other mistake: After Bastion tells Jaden to get to Marcel while they are cornered by the Duel Ghouls, Hassleberry is shown running and says "I summon Black Tyranno", before said monster appears. However, Polymerization is the card that is shown in his hand and not Black Tyranno. (00:07:38)