Continuity mistake: When first showing the Mushroom Land during the animated intro, there is no path present, but in the next shot, one appears. (00:03:47)
Continuity mistake: When Mario moves a curtain in the animated intro, there is no cavity in the shower, but in the next shot, one appears. (00:03:35)
Continuity mistake: When the magic carpet moves upward after Mario becomes Super Mario, Luigi's visor goes from green to skin colour and back to green.
Revealing mistake: When the Mario and Luigi in real life appear from the left side of the screen, the green or blue screen is not formatted properly, causing them to appear out of nowhere. (00:00:43)
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)
Continuity mistake: When the crocodiles approach the general store, the store's front door has its doorknob on the left, but in the next shot, it appears on the right. (00:06:26)
Continuity mistake: When the ketchup lorry crosses the bridge, it has a cream cab and a red trailer, but in the next shot, it has a blue cab and a grey trailer.
Revealing mistake: When the camera pans across the front of Double Cross Ranch, the edge of an animation cel is visible. (00:13:51)
Revealing mistake: When a front view of King Koopa running down a street is shown, he clips through a building. (00:15:25)
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: 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!"
Continuity mistake: This mistake is in the intro with Mario and Luigi in real life. When Mario breaks the ceiling while Bowser is holding a yellow bar, Mario's gloves disappear from his hands when he jumps to break the ceiling. When he lands, his gloves reappear back on his hands. (00:00:26)
Revealing mistake: When the camera scrolls to Grunt (in the scene where the gang are locked up in a cell, being watched a strong, non-human security guard named Grunt), he appears out of thin air. The animators might have had some trouble putting him into the scrolling shot. (00:11:15)
Character mistake: When the Koopas chase Mario and Luigi, the sign says "COOPA ISLAND" instead of "KOOPA ISLAND." (00:06:39)
Character mistake: When Koopa is chased by a cop, he passes a Burger Shop. The sign says "BURCER SHOR" instead of "BURGER SHOP." (00:04:35)
Character mistake: The title card says "Plummers Academy" instead of "Plumbers Academy."
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 meets Koop-Zilla - S1-E28
Continuity mistake: After when Luigi says "It's an earth shake!" when he flips, his straw hat changes into his green cap in mid-sentence. (00:03:58)
King Mario of Cramalot - S1-E2
Audio problem: At the end, when everyone is laughing, Toad's mouth isn't moving. (00:18:43)
King Mario of Cramalot - S1-E2
Revealing mistake: When king Koopa says "I don't know. What?", his spikes disappear. (00:15:56)
Answer: "Club Mario" was reruns of the original show repackaged with new live action segments. It was a cheap way to present the old animated episodes as a new show. Club Mario was incredibly unpopular and eventually reruns of the original show with the Captain Lou Albano segments were aired in its place.
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