Misadventures in Babysitting - S1-E13
Revealing mistake: When Junior's mother enters the living room, as she is leaving, Mario is briefly layered over some stairs. (00:02:23)
Super Koopa - S1-E26
Revealing mistake: When Mario points to Raccoon Koopa for the captain, the background is the sky instead of the submarine, while part of the background is coloured in like the helicopter. (00:03:55)
Crimes R Us - S1-E19
Revealing mistake: When Clyde asks why King Koopa broke him out of prison, he is layered over some controls. (00:01:49)
Revealing mistake: When Kootie Pie says that she wants to see Milli Vanilli, she is briefly layered over King Koopa. (00:03:21)
Revealing mistake: When Mario tells Kooky what to do, he appears out of thin air. (00:10:06)
Toddler Terrors of Time Travel - S1-E8
Revealing mistake: When Kooky says that he and King Koopa are travelling too far back in time, his device is layered over some controls, while Mario's black moustache briefly turns brown. (00:03:10)
Toddler Terrors of Time Travel - S1-E8
Revealing mistake: When King Koopa says that he could have taken over the Mushroom Kingdom years ago, his lower jaw is not fully coloured in. (00:00:54)
Reign Storm - S1-E7
Revealing mistake: When King Koopa and Kooky spy on Mario and Luigi near the pipe, Mario's feet are missing. In the same shot, King Koopa is behind the pipe, but in the next shot, he is in front of it. (00:01:30)
Reign Storm - S1-E7
Revealing mistake: When Mario and Luigi follow the Robot Princess inside their house, Mario is briefly layered over a mushroom. (00:06:10)
Revealing mistake: When King Koopa leaves to prepare himself for the ceremony, his right arm passes through a door. (00:08:09)
Revealing mistake: When Princess Toadstool says that she would never sign her kingdom over to King Koopa, even with the threat of Bob-ombs, she is holding thin air. (00:05:21)
Princess Toadstool for President - S1-E5
Revealing mistake: When the Mushroom People cheer for King Koopa after he says that there will be more nice things if they elect him as their ruler, a Mushroomer's face is not fully coloured in. (00:04:29)
Mind Your Mummy Mommy, Mario - S1-E3
Revealing mistake: Before Hip and Hop sigh, their eyelids are not fully coloured in. (00:01:18)
Super Koopa - S1-E26
Revealing mistake: When Mario shoots a fireball at King Koopa, as he falls into the river, the ripples in the water are misplaced. (00:09:15)
Revealing mistake: When Mario says that he must be having a nightmare, his air bubbles freeze for a few frames. (00:08:00)
Super Koopa - S1-E26
Revealing mistake: When King Koopa becomes Super Koopa for a second time, he remains in his normal form for a short time. (00:10:01)
Super Koopa - S1-E26
Revealing mistake: When King Koopa finds the boot, his feet are layered behind the pavement. In the same shot, the boot does not have a key, but when King Koopa uses his pendant on it, a key appears. (00:09:25)
Super Koopa - S1-E26
Revealing mistake: When King Koopa turns into Super Koopa for a second time, Kooky is layered over him. In the same shot, Kooky's left leg changes from brown to yellow. (00:08:08)
Super Koopa - S1-E26
Revealing mistake: When Luigi says that it would be nice to have cake, the frosting on the cake is overlapped by the cake itself. (00:07:43)
Super Koopa - S1-E26
Revealing mistake: When the Karoobi falls into the chest, it is layered behind it. (00:06:56)