Mario meets Koop-Zilla - S1-E28
Other mistake: When Luigi asks how he and Mario are going to escape Koop-zilla, the strap on his goggles is missing, and shortly after, they completely disappear. (00:10:02)
Mario meets Koop-Zilla - S1-E28
Continuity mistake: When Mario walks over to Koop-zilla after he throws him a second time, buttons appear on the back of his overalls. (00:13:07)
Mario meets Koop-Zilla - S1-E28
Revealing mistake: In the live action segment, when Madam AGoGo begins reading the Bros' fortune, a lightbulb can be seen making the crystal ball glow. (00:17:25)
Mario meets Koop-Zilla - S1-E28
Continuity mistake: When Mario is eating sushi, he eats it with a fork, but his fork disappears and a spoon appears out of nowhere.
Mario and the Red Baron Koopa - S1-E30
Continuity mistake: When the Lakitu starts throwing Spiny Eggs at the Mushroomers, its green snout turns yellow, like its goggles. (00:04:59)
Mario and the Red Baron Koopa - S1-E30
Audio problem: In several shots during the beginning of the episode, King Koopa's mouth moves but no sound can be heard. (00:05:27 - 00:06:17)
Mario and the Red Baron Koopa - S1-E30
Audio problem: When King Koopa says that unless the Mushroomers surrender to him, he will bury Pastaland with snow, his mouth does not move. (00:06:04)
Continuity mistake: Throughout the episode, Koopa Troopa's green hands turn yellow several times.
Revealing mistake: When Rappin' Koopa looks through his telescope, part of the background can be seen at the edges of the screen. (00:05:08)
Revealing mistake: When Mario says that it does not look good for him and his friends, a Koopa Troopa's foot overlaps the sombrero chariot. (00:06:46)
Continuity mistake: When Zero walks up to Princess Toadstool after fighting the Koopa Troopas, the bathtub's levers and showerhead disappear. In the same shot, Princess Toadstool's brooch changes from being yellow with a blue centre to blue with a yellow centre. (00:07:30)
Continuity mistake: When El Koopitan throws some cacti at Zero, the green rings around the spikes on his shell turn orange, like the spikes themselves. (00:08:51)
Continuity mistake: After Toad says that he and his friends are surrounded, the white spikes on El Koopitan's tail turn orange. (00:12:04)
The Koopas are Coming! The Koopas are Coming! - S1-E35
Continuity mistake: When Mario jumps into the bucket of water, his left arm changes from blue to skin colour. (00:06:31)
The Koopas are Coming! The Koopas are Coming! - S1-E35
Continuity mistake: When Mario cools himself down in the bucket of water, there is no puddle nearby, but when he carries Luigi over to the stove, one appears. (00:06:59)
The Koopas are Coming! The Koopas are Coming! - S1-E35
Revealing mistake: When George Washingtoad slides away from his tent, he briefly overlaps the stove and one of his guards. (00:07:20)
The Koopas are Coming! The Koopas are Coming! - S1-E35
Continuity mistake: When Mario says that he and his friends can attack Redcoat Koopa from behind, his head is layered behind the bubble he is in. (00:11:59)
The Koopas are Coming! The Koopas are Coming! - S1-E35
Continuity mistake: Just before the pillory is destroyed, it is violet, but in the next shot, it is orange. (00:14:37)
Audio problem: Despite the fortress being made of stone, when the Hammer Bros. hit one of its bricks, it makes the sound of metal. (00:06:42)
Revealing mistake: When Luigi trips over a bone, the bone is layered over him. (00:03:30)
