Revealing mistake: After Alley Koop orders his army to attack, he is briefly layered over a Koopa Troopa. (00:04:01)
Audio problem: When they are trying to escape Koopa and the little caveman speaks, then Luigi answers him, he has the Princess' voice.
Audio problem: When King Koopa throws the snake at the Mario Bros., they use Luigi's voice when King Koopa says "Quick, quick! Run away from him!"
Elvis Lives - S1-E39
Revealing mistake: When Kool Koopa tells the Goombas to get Mario and his friends, a building overlaps one of the Goombas. (00:05:17)
Elvis Lives - S1-E39
Continuity mistake: When the shoes say that Elvin will be unfrozen if Princess Toadstool puts them on him, Elvin's brown socks turn blue like the shoes. (00:08:51)
Elvis Lives - S1-E39
Continuity mistake: When Luigi inflates one of the tyres on their car, he is by the car, but when the tyre explodes, he disappears. (00:12:20)
Elvis Lives - S1-E39
Continuity mistake: When Princess Toadstool says that Kool Koopa has trouble, Kool Koopa's red car turns green. (00:12:52)
Audio problem: When Mario says, "Who cares?", he speaks with Luigi's voice. This also happens when he is surprised by the amount of time Sergeant Kooperman gives him and Luigi to unclog the sink. (00:05:19 - 00:07:41)
Revealing mistake: When Sergeant Kooperman stops at the fire escape, he moves without moving his legs. (00:06:35)
Revealing mistake: When the clogs splash on Sergeant Kooperman's face, the one from Mario's sink appears out of thin air. (00:07:50)
Continuity mistake: When the construction workers walk over to Sergeant Kooperman, the one with a yellow shirt has mud on his shirt, but in the next shot, the mud disappears. (00:11:42)
Continuity mistake: When the President's car drives up to the Mario Bros, it has the US flag on the left of the car, but in the next shot, it is on the right of the car. (00:12:02)
Continuity mistake: When the limousine drives down the street, it has the US and USSR flags on the front of the limousine, but when water pushes it back, the flags change to generic red and yellow flags. (00:12:19)
Factual error: When water starts flooding Brooklyn, the water floods the main road but never floods the side roads. (00:12:21)
Revealing mistake: After Mario retrieves his Plumber's Helper, he is briefly layered over Princess Toadstool. (00:16:26)
Character mistake: The title card says "Plummers Academy" instead of "Plumbers Academy."
Continuity mistake: When Misaki says that fear never enters the vocabulary of someone training to be a martial arts expert, Mario and Luigi's gloves disappear. This also happens when Misaki says he will award them black belts. (00:06:24 - 00:16:23)
Other mistake: When Luigi takes the washer from Misaki, his hand is behind it, but he is still able to get it. (00:07:49)
Revealing mistake: When Misaki says he cannot break the chains, his air bubbles occasionally freeze. (00:09:45)
Continuity mistake: After Mario and Luigi pick up their weapons, they can still be seen on the ground. (00:11:39)
