Audio problem: When the oil lands on the Koopas, Cheatsy has Kooky's voice. (00:10:29)
Continuity mistake: When Luigi cheers for Mario, his green eyes turn blue like Mario's. (00:10:13)
Continuity mistake: While Mario is on the hose, its colour and design changes several times. (00:10:03 - 00:10:49)
Continuity mistake: When King Koopa is preparing the Doomship, the orange spikes on his shackles turn white, while the white spikes on his tail turn orange. (00:09:36)
Audio problem: When the Doomship crashes into the palace, the music briefly stops. (00:09:18)
Continuity mistake: When King Koopa says he needs the Doomship, the yellow bracelets on Kootie Pie's arms turn grey. (00:09:15)
Continuity mistake: When King Koopa orders the Fire Chomps to attack, the orange spikes on his shell and his yellow eyes turn white. In the same shot, Cheatsy's green head turns orange while his green eyelids turn black. (00:09:00)
Continuity mistake: During the fight in the tower, the Boomerang Bros. change colour several times. (00:08:40)
Continuity mistake: When Toad tells Luigi to come over to him, the valve is blue, but when Princess Toadstool turns it, it turns brown. Shortly afterward, the pipe and hose change from blue to brown. (00:08:29)
Continuity mistake: When Mario says everything is set, the pipe is brown, but in the next shot, it turns blue. (00:08:13)
Continuity mistake: When Kassanova Koopa reverts to his true form, Kootie Pie has her wand, but in the next shot, it disappears. (00:08:02)
Continuity mistake: When Kassanova Koopa hugs Kootie Pie, his yellow eyes turn white. (00:07:06)
Continuity mistake: When Mario jumps out of the pipe, his black hair and mustache turn brown. (00:06:09)
Continuity mistake: When Cheatsy and Kootie Pie are looking at Mario's friends, their cream snouts turn the same colour as their heads. (00:05:58)
Audio problem: When King Koopa says that he will be upstairs, his mouth is not moving. (00:05:42)
Continuity mistake: When Kootie Pie pulls the lever, her cream underbelly turns white. (00:05:11)
Revealing mistake: When Kootie Pie reverts to her true form, there are briefly two of her. (00:05:05)
Continuity mistake: When Mario's friends are going into the dungeon, the green trims on Lady Fetuccini's dress turn pink. In the same shot, her bracelets disappear. (00:04:40)
Continuity mistake: When Lady Fetuccini puts her fork down, it is layered in front of her bowl. (00:04:25)
Continuity mistake: When King Koopa tells Kootie Pie to stop the Mario Bros, the top of Kootie Pie's wand changes from purple to blue, while its handle changes from white to pink. (00:02:20)
