Continuity mistake: When Toad pulls Mario down, the brown Doomship turns grey. In the same shot, it is layered in front of the hill instead of behind it. (00:01:51)
Continuity mistake: When Big Mouth says that his and Kootie Pie's wands will make him feel better, the yellow rim of his shell turns brown. (00:03:07)
Continuity mistake: When Big Mouth and Kootie Pie jump for joy, the pink bow on Kootie Pie's tail briefly turns white. (00:03:24)
Continuity mistake: When Madzilla picks up the Koopalings, the yellow rim on Big Mouth's shell turns white. This also happens when he gets them a car. (00:03:28 - 00:03:57)
Continuity mistake: When Madzilla picks up a car from the road, the cars switch colour several times and appear to be driving in reverse. (00:03:52)
Continuity mistake: When Fire Mario tells Madzilla to back off, his brown eyebrows and mustache turn black. (00:05:34)
Continuity mistake: When Mario shoots fireballs at Madzilla, the Koopalings and their car disappear. This also happens when Mario says his fire powers are gone. (00:05:34)
Continuity mistake: When Mario and his friends run away from Madzilla, they run into a storehouse, but in the next shot, it turns into a parking garage. (00:05:53)
Continuity mistake: When Madzilla puts his feet in the concrete, Big Mouth and Kootie Pie's left arms are at their sides, but in the next shot, they are outstretched. (00:06:31)
Continuity mistake: When Mario approaches his friends with a head, its pink spikes turn blue. (00:06:54)
Continuity mistake: When everyone starts throwing rubbish at the Koopalings, Big Mouth's brown body turns grey like his head. (00:08:16)
Continuity mistake: When Kootie Pie stares, her brown face turns cream. (00:08:33)
Continuity mistake: When Mario opens a hatch, his moustache is brown, but in the next shot, it is black. (00:08:51)
Continuity mistake: When Madzilla picks up some people, their clothes change colour. (00:09:34)
Continuity mistake: When Mario tells Madzilla to stop, his brown shoes turn purple. In the same shot, the hatch is open, despite being closed in previous shots. (00:09:45)
Continuity mistake: When Big Mouth and Kootie Pie run home, the left leg of Mario's robot changes from yellow to green. (00:10:48)
Continuity mistake: When Madzilla explains that he used to be a robot, the right leg of Mario's robot changes from green to yellow. (00:10:58)