The Adventures of Sherlock Mario - S1-E18
Character mistake: When showing the sign for the Retro Router, it misspells router as "reuter". (00:08:11)
Koopenstein - S1-E21
Continuity mistake: In Mouser's first appearance, he does not have a laboratory coat on, but in the next shot, one appears. (00:03:46)
The Adventures of Sherlock Mario - S1-E18
Other mistake: When Professor Koopa-arity and his minions infiltrate the Tower of Victoria, a line appears on Professor Koopa-arity. (00:08:07)
Two Plumbers and a Baby - S1-E17
Continuity mistake: Normally, the castle has a door, but when King Koopa says that the infants will have to do all of his chores, the door disappears. This also happens when Luigi is trying to listen in on what is happening inside the castle. (00:06:05 - 00:06:27)
Two Plumbers and a Baby - S1-E17
Continuity mistake: When Mario says that they have to free the children, his black sideburns turn red, like his cap. (00:06:43)
Continuity mistake: When the Mario Bros. are revealed, Mario is wearing the tank top of his disguise, but in the next shot, he is wearing his normal clothes. (00:15:18)
Continuity mistake: When Captain Clump says that Blackbeard Koopa bothers pirates, his purple trousers turn red. (00:07:59)
Continuity mistake: After Princess Toadstool is captured by Blackbeard Koopa, the Koopa Troopa holding her left arm has a blue bandanna. But when Blackbeard Koopa says that she did not come willingly, the bandanna turns red. (00:07:53)
Continuity mistake: Normally, Blackbeard Koopa's ship is blue, but when Princess Toadstool is on his ship, it turns brown like Captain Clump's. This also happens when it is docked at his fortress. (00:08:29 - 00:11:17)
Continuity mistake: When Butterfingers urges Princess Toadstool to stay, her leg bracelet disappears. This also happens when they run away from King Koopa. (00:12:14 - 00:14:34)
Revealing mistake: When King Koopa tells Dr. Sheldon to make a potion that will stop Princess Toadstool, he is briefly layered between a podium and a bag. (00:12:28)
Continuity mistake: Throughout its appearance, the grey sideskirts on Mario and his friends' car turn brown like the rest of the car several times. (00:03:44 - 00:09:06)
Revealing mistake: When Mario and his friends start running to the drainpipe, Drainotto runs in place for a few frames. In the same shot, Toad briefly runs in midair, and shortly after, he is layered underneath a rock. (00:13:18)
Revealing mistake: When Mario shoots fireballs at Koopa Khan and his army, a fire is layered over a Snifit. (00:12:48)
Continuity mistake: Throughout the episode, the white spikes on King Koopa's tail are coloured orange instead.
Continuity mistake: When Drainotto says that he could make an underground river with some help, the number of fingers he has on each hand changes from five to four. (00:07:46)
Continuity mistake: When Mario and his friends look at Koopa Khan while on the bridge, Princess Toadstool does not have a cape. But when she and her friends fall after Koopa Khan destroys the bridge, one appears. (00:10:49)
Continuity mistake: When Moon Man Koopa first appears, he has no wristbands, but when he activates a magnet, some appear. (00:08:10)
Continuity mistake: When Toad puts his cap back on, his torso changes from skin-colour to blue, while his trousers change from blue to skin-colour for a few frames. (00:04:59)
Continuity mistake: After Princess Toadstool says that King Koopa tricked the Mario Bros, King Koopa's yellow eyes turn white. This also happens after Toad says that the Mario Bros. are safe. (00:09:39 - 00:10:18)
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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