Continuity mistake: When Luigi swings his nunchucks a second time, his sideburns disappear. (00:12:40)
Revealing mistake: When Mario and his friends kick the Ninjis when being surrounded by them, one freezes in midair while another duplicates itself. (00:12:48)
Revealing mistake: When Karate Koopa catches Princess Toadstool and Toad trying to escape, his legs and part of Princess Toadstool's dress are cut off for a few frames. (00:13:49)
Continuity mistake: When Mario says that Karate Koopa is finished, he is not holding anything, but in the next shot, he has his staff. (00:15:41)
Revealing mistake: When Mario and his friends laugh at the end of the episode, Mario appears to be standing in midair. (00:16:54)
Continuity mistake: When Marzan fights a lion, his clothes are ripped, but when he falls with the female monkey, his clothes are intact. This also happens when he saves his friends. (00:08:16 - 00:10:41)
Revealing mistake: When the female monkey grabs Marzan, he appears out of thin air. (00:08:35)
Audio problem: When Luigi says that Mario's wrench will bring his memory back, his mouth does not move. (00:13:59)
Continuity mistake: When Toad explains that King Koopa and his minions are cutting down the tree, his vest disappears. In the same shot, he speaks through King Koopa's mouth. (00:14:42)
Continuity mistake: In several shots, the white spikes on King Koopa's tail turn orange.
Little Red Riding Princess - S1-E44
Revealing mistake: When Gramma removes the lock from the door, it passes through its holder. (00:07:20)
Continuity mistake: When Billy the Koopa says that he will trap Mario, his trousers disappear, and shortly after, part of his lower jaw is not fully coloured in. (00:09:06)
Character mistake: After Pronto warns Mario of the path being a trap, Mario says that he earned an A plus for unclogging drains in the Brooklyn Plumbers Academy. However, in "Plummers Academy", he actually flunked out of the academy along with Luigi. (00:09:29)
Revealing mistake: When Pronto starts dodging the Koopa Troopas, he briefly appears to be floating in midair. (00:10:51)
Continuity mistake: When Mario trips, while telling Billy the Koopa and his Koopa Troopas to stop, the red linings on his shirt turn white, like his gloves. (00:11:27)
Continuity mistake: After Mario shoots one of the Koopa Troopas, the Koopa Troopa has a tan band on its hat, but in the next shot, the band turns red. (00:13:32)
Revealing mistake: When the camera pans across the front of Double Cross Ranch, the edge of an animation cel is visible. (00:13:51)
Continuity mistake: When Mario shoots one of the X's on the Double Cross Ranch sign, the sign is supported by two poles, but in the next shot, it is supported by one. (00:14:02)
Escape from Koopatraz - S1-E46
Revealing mistake: When Mouser tells everyone to rise for Judge Koopa, he is layered over a wall. (00:03:19)
Escape from Koopatraz - S1-E46
Revealing mistake: When Warden Koopa tells Mouser to show Mario and his friends their cells, his foot is layered over a Koopa Troopa. (00:06:47)
