Continuity mistake: When King Koopa tells Kootie Pie to turn on the engine, the lever is yellow, but in the next shot, it turns brown. (00:09:58)
Continuity mistake: When the Doom Sub is hitting the clotheslines, its roof disappears briefly. (00:05:56)
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)
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)
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)
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
Continuity mistake: When Cheatsy says the princess is not the Mushroomers' princess anymore, his green head turns red like his disguise. (00:10:02)
True Colors - S1-E23
Continuity mistake: When Cheatsy says that he and Kooky will start the rumble, the handle on his wand is green. But when he reminds the painter of what colour he is, it turns blue. (00:09:22)
True Colors - S1-E23
Continuity mistake: When Cheatsy says that he and Kooky will start the rumble, his brown tail turns white like his shell's rim. (00:09:11)
True Colors - S1-E23
Continuity mistake: When Toad says the Mushroomers are too distracted fighting based on their colour, Princess' Toadstool's yellow brooch turns blue, while the blue centre turns yellow. (00:06:21)
True Colors - S1-E23
Continuity mistake: When Princess Toadstool arrives at the argument, Mario's black hair turns brown. This also happens when he and Luigi arrive at the first decision point. (00:05:43 - 00:07:16)
True Colors - S1-E23
Continuity mistake: When a baker says Cheatsy arrived at the street first, Cheatsy's cream snout turns green like his head. In the same shot, Kooky's underbelly disappears. (00:05:29)
True Colors - S1-E23
Continuity mistake: When King Koopa says that the Mushroomers will never be divided, Cheatsy is to the left of Kooky, but in the next shot, he is to the right. (00:02:56)
True Colors - S1-E23
Continuity mistake: When the Mario Bros. arrive during the attack, Mario's brown sideburns turn black like Luigi's. This also happens when King Koopa's minions retreat. (00:01:54)
True Colors - S1-E23
Continuity mistake: Throughout the episode, Kooky's green head turns cream-coloured like his snout several times.