Revealing mistake: When King Koopa tells Kootie Pie to be patient, the camera zooms in on him, but the background does not adjust to the change of perspective. (00:09:04)
Revealing mistake: When the Chain Chomps start eating some poles, they are frozen for a few frames. (00:07:32)
Audio problem: When King Koopa says he is going to find the Mario Bros, his mouth moves before any dialogue comes out. (00:07:04)
Continuity mistake: When the Doom Sub is hitting the clotheslines, its roof disappears briefly. (00:05:56)
Other mistake: When Mario asks if Luigi feels how he feels, Luigi's eyelid is not coloured in. (00:03:57)
Revealing mistake: When the gondolier tells Mario that Venice is being attacked, he is briefly layered outside his gondola. Additionally, his statement is false, as the Doom Sub has not arrived in the city yet. (00:01:08)
Continuity mistake: When Mario and his friends run over to the gondolier, Toad's pants disappear. (00:00:59)
Continuity mistake: At the beginning of the episode, Mario's brown hair turns black, like Luigi's. (00:00:39)
Continuity mistake: Initially, the Crud Cannon is orange, but when it first fires, it turns mostly blue and green. (00:09:59)
Revealing mistake: After escaping from the zombies, Mario appears from thin air. (00:09:12)
Continuity mistake: When King Koopa puts a tin on Big Mouth's head, his green arm turns orange. In the same shot, Big Mouth's white toenails turn brown like his body while Bully and Kootie Pie disappear. Additionally, Big Mouth's mumbling is recycled dialogue from when he was talking to Bully about not helping to remove the rubbish. (00:07:35)
Other mistake: Throughout the episode, Brooklyn's sky is the same as the Mushroom Kingdom's.
Continuity mistake: When Mario and Luigi are dumped into the Warp Pipe, a Sledge Brother's green hand turns white. (00:05:50)
Continuity mistake: When Mario loses the wand, Toad's black eyebrows turn white, like his cap. (00:04:21)
Revealing mistake: When Mario sends the rubbish back to Kastle Koopa, the fumes from the rubbish disappear for a few frames. (00:04:11)
Continuity mistake: When Luigi and Toad get Super Leaves, Toad's blue pants turn purple. (00:03:13)
Continuity mistake: When Mario and his friends hide behind the knight, Hop's cream-coloured upper jaw turns green like his head. In the same shot, Kootie Pie's yellow bracelets turn grey like the other Koopalings' shackles. (00:02:47)
Continuity mistake: When Big Mouth asks if Bully heard their father, the yellow rim on his shell turns white. This also happens when King Koopa says that he hopes the Koopalings are removing the rubbish, and when Big Mouth says that he cleaned the most. (00:01:05 - 00:01:36)
True Colors - S1-E23
Audio problem: When Cheatsy tells King Koopa to attack, his mouth does not move. In the same shot, his blue hair turns green like his head, while King Koopa's wand changes from blue and yellow to green, pink, and blue. (00:11:07)
True Colors - S1-E23
Continuity mistake: When Cheatsy says the princess is not the Mushroomers' princess anymore, his green head turns red like his disguise. (00:10:02)
