Continuity mistake: When Luigi and Toad run through the halls, the Sledge Bros. shake the floor. Toad's purple shoes turn skin-color. This also happens when the Flame Chomps fall out of a window. (00:07:17 - 00:09:44)
Continuity mistake: After Luigi gets his periscope, the letters on his and Mario's caps are white instead of green and red, respectively. (00:05:08)
7 Continents for 7 Koopas - S1-E22
Continuity mistake: When the Koopalings look at the engine, Kootie Pie's shoes disappear. (00:01:33)
Continuity mistake: After King Koopa says that he should take over Sky Land as well, his yellow eyes turn green. (00:08:43)
Life's Ruff - S1-E20
Continuity mistake: When King Windbag is turned into a dog, his purple shoes turn brown. (00:02:34)
Crimes R Us - S1-E19
Continuity mistake: When King Koopa introduces himself, Clyde's yellow shoes turn brown. (00:02:07)
Continuity mistake: When Big Mouth says that the Koopas will be doomed if Mario and his friends get the Doom Dancer, his star disappears. (00:06:03)
Continuity mistake: When Big Mouth says that Mario and his friends have a map to the Doom Dancer, Cheatsy's green head turns orange like his body. (00:05:52)
Misadventure of Mighty Plumber - S1-E12
Continuity mistake: When King Koopa says that Mario and Luigi are here, the orange spikes on his shackles turn red, while his left nostril disappears several times. (00:05:07)
Continuity mistake: When Mario is brainwashed, his white teeth turn skin-colour. (00:06:01)
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 Big Mouth says that his and Kootie Pie's wands will make him feel better, the yellow rim of his shell turns brown. (00:03:07)
Toddler Terrors of Time Travel - S1-E8
Continuity mistake: When King Koopa tells the young lady to leave the plumbing to him and Kooky, he is layered over the bathtub. (00:07:03)
Toddler Terrors of Time Travel - S1-E8
Continuity mistake: When the elderly lady reveals King Koopa and Kooky, Kooky's right arm changes from orange to green. (00:05:11)
Toddler Terrors of Time Travel - S1-E8
Continuity mistake: When the young lady says that plumbing is too dangerous for Mario and Luigi, Toad's purple briefly turns skin-colour. (00:06:14)
Toddler Terrors of Time Travel - S1-E8
Continuity mistake: When King Koopa tells Kooky to bring more items to clog the drain, Kooky's orange gloves turn white like King Koopa's. (00:07:52)
Reign Storm - S1-E7
Continuity mistake: When King Koopa puts the lei on Kooky, the white spikes on his tail turn orange. (00:06:34)
Continuity mistake: After Mario says that he is surprised that King Koopa is surrendering, Toad's blue trousers turn brown. (00:01:01)
Princess Toadstool for President - S1-E5
Continuity mistake: When Kooky says that King Koopa would never win the election unless he is under the effect of the Nice Guy Potion, his tooth disappears several times. (00:03:38)
Princess Toadstool for President - S1-E5
Continuity mistake: When King Koopa says that he has never been nice, one of his white nails turns green like his body. This also happens when he clears his eyes after being sprayed by Kooky's Nice Guy Potion. (00:03:02)
