Continuity mistake: When the phone rings, it changes direction when the camera changes. In the same shot, there is a purple book on the table, but in the next shot, it is orange. (00:06:33)
Continuity mistake: When the mother Birdo lands at her house, the chairs at the table have their backrests without cushions, but in the next shot, cushions appear on them. (00:03:45)
Continuity mistake: When Princess Toadstool feels sorry for Toad, her blue brooch turns yellow, while the yellow border turns blue; and shortly after, it disappears. (00:04:59)
Revealing mistake: When the Mario and Luigi in real life appear from the left side of the screen, the green or blue screen is not formatted properly, causing them to appear out of nowhere. (00:00:43)
Continuity mistake: In the live action segment, when Mario and Luigi are fixing the pipe, Nicole is holding a newspaper, but when she is sprayed by the water, it disappears. (00:03:29)
Continuity mistake: This mistake is in the intro with Mario and Luigi in real life. When Mario breaks the ceiling while Bowser is holding a yellow bar, Mario's gloves disappear from his hands when he jumps to break the ceiling. When he lands, his gloves reappear back on his hands. (00:00:26)
Continuity mistake: When Mario moves a curtain in the animated intro, there is no cavity in the shower, but in the next shot, one appears. (00:03:35)