Continuity mistake: When Mario tells Yoshi to not be afraid, the number of fingers he has on each hand switches from five to four. (00:01:54)
Continuity mistake: When Wizenheimer explains that he is an evil Koopa Wizard, Mario's black moustache turns brown. In the same shot, he and Luigi's grey shackles turn white like their gloves. (00:05:14)
Continuity mistake: When Wizenheimer says that he loves to hold people captive, the number of fingers on his right hand switches from four to five. (00:05:23)
Continuity mistake: When Luigi says that he and his friends are trapped, Princess Toadstool's orange eyebrows turn black. (00:05:33)
Revealing mistake: When Yoshi runs over to the ? block, Oogtar is briefly layered over him. (00:06:49)
Revealing mistake: When Oogtar and Yoshi are flying through the air, a Block in the background can be moving with the screen. (00:07:09)
Revealing mistake: When Oogtar is impressed after Yoshi eats the caterpillar, his hair is layered over his left hand. (00:07:26)
Other mistake: When Oogtar says the Warp Pipe leads to the haunted house, his eyebrows disappear briefly. (00:07:50)
Revealing mistake: When Yoshi hides behind a tree, he is layered in front of and behind it. (00:08:10)
Revealing mistake: When Yoshi finds the Triangle Block, and when he jumps on it, it overlaps on the house. (00:09:13)
Other mistake: When Yoshi opens a window, part of the background is coloured in like his body. (00:09:29)
Audio problem: When the wizard says "Bob-ombs", he says it twice so where he says it before the bomb appears and after. But the second time he says it, his mouth doesn't move at all. It just stays open as a smile.
