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 Fire Mario tells Madzilla to back off, his brown eyebrows and mustache turn black. (00:05:34)
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)
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 Madzilla picks up some people, their clothes change colour. (00:09:34)
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 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 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 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 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)
Factual error: When Kootie Pie is putting lipstick on at the beginning of the episode, her mole is on the right side of her face, but her reflection shows it to be her left. In the same shot, she speaks without moving her mouth. (00:00:43)
Continuity mistake: When Mario opens a hatch, his moustache is brown, but in the next shot, it is black. (00:08:51)