Continuity mistake: While Mario is in his wrestling outfit, his legs switch from not being covered to covered several times. (00:08:24 - 00:10:10)
Continuity mistake: When the referee asks who rang the bell, Mario's mask disappears. This also happens when he is pushed into a corner by some liquid. (00:08:46 - 00:09:41)
Continuity mistake: When Cheatsy is under the ring, his right cheek changes from cream-coloured to green. (00:08:53)
Continuity mistake: When Mario falls onto King Koopa, the string attached to the booby trap disappears. (00:08:55)
Revealing mistake: When Mario gets off King Koopa, his left leg disappears briefly. (00:08:59)
Continuity mistake: When Princess Toadstool says she will get some help, Toad is sitting beside her, but in the next shot, he is replaced by someone else. (00:09:35)
Continuity mistake: When Mario and Luigi say that they are not close to quitting, Luigi is inside the ring, but when a Sledge Bro. squirts some liquid at him, he is outside of it. (00:09:49)
Continuity mistake: When the Sledge Bros. approach Mario and Luigi in a corner, Mario's brown hair turns black. This also happens when Princess Toadstool tosses the Invincible Stars to them and they make their comeback. (00:09:54)
Continuity mistake: When the Sledge Brothers approach Mario and Luigi when they are at the corner of the ring, Luigi's mask goes from red to skin colour. (00:09:54)
Continuity mistake: When Mario grabs an Invincibility Star, his moustache flashes brown, but when he compliments the princess on her timing, it is not. (00:10:12)
Audio problem: When the Mario Bros. make their comeback, the referee's mouth moves, but no sound can be heard. In the same shot, the Sledge Bros' green faces briefly turn white. (00:10:17)
Continuity mistake: When the Mario Bros. are flipping towards the Sledge Bros, the pitfall trap is on their side, but in the next shot, it is on the Sledge Bros'. (00:10:28)
Continuity mistake: At the beginning of the episode, Toad's house changes from orange to purple. (00:00:44)
Revealing mistake: When Mario is being pulled into Pipe Land, he and the line appear from thin air. (00:05:00)
Continuity mistake: After Kooky says that Mario is their prisoner, the orange heads of the Hammer Bros. turn cream-coloured. (00:05:31)
Continuity mistake: When Mario is brainwashed, his white teeth turn skin-colour. (00:06:01)
Character mistake: When Luigi is about to jump into the Warp Pipe to Pipe Land, he says Mario told him to wear a Frog Suit, but it was actually Princess Toadstool. Mario repeats this error after Luigi asks if he is all right. (00:06:58 - 00:10:01)
Continuity mistake: When Mario says the leak is fixed, he is holding a wrench, but when Luigi enters the dungeon, he is holding a plunger. This also happens when King Koopa tells him to attack Luigi. (00:08:39)
Continuity mistake: When Luigi tries to help Mario remember who he actually is, Mario's blue shirt turns red like his overalls. (00:09:31)
Continuity mistake: When the Lame Brainer comes off Mario, the wrench he is holding disappears. (00:09:43)
