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)
Two Plumbers and a Baby - S1-E17
Audio problem: When Luigi says that the Princess is gone, he speaks through Toad's mouth, and shortly afterward, the fireflies freeze for a few seconds as the camera pans. (00:14:13)
Two Plumbers and a Baby - S1-E17
Continuity mistake: In one scene, Luigi is wearing the same colour hat as Mario, and when Mario opens his mouth to talk, it's Luigi's voice we hear.
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)
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)
Continuity mistake: After Mario drains the dungeon, Toadstool and Toad jump off the shackles they were hanging off. However, when Mario jumps off, Toad is again seen hanging from the shackles even though he had previously jumped down. The next scene confirms this by having him on the ground where he belongs. (00:10:28)
Revealing mistake: In the live-action segment, when the Super Plant chases Mario and Luigi, the actor's shoes can be seen. This also happens when the Super Plant heads over to Dr. Toby. (00:17:43 - 00:18:57)
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)
Revealing mistake: When the ceiling begins to collapse, some of the debris freezes in midair. (00:08:52)
Revealing mistake: When the debris covers the trapdoor, some debris from behind it overlaps the debris on it. (00:09:13)
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)
Revealing mistake: When Mario climbs out of the pit, he passes through Toad. (00:07:28)
Revealing mistake: When Mario runs over to the Ostro, he can briefly be seen running in midair. (00:07:56)
Continuity mistake: When King Koopa tells Fryguy to prepare the Lava Machine, the white spikes on his tail turn orange. This also occurs when he approaches the boat. (00:10:06 - 00:14:50)
Revealing mistake: In the live-action segment, when Mario says that Luigi has been eating breakfast backwards, the screen is briefly frozen for a few frames, revealing that Luigi eating backwards is merely footage of him eating forwards played backwards. (00:18:55)
Hooded Robin and His Mario Men - S1-E25
Continuity mistake: When some Koopa Troopas surround Mario and his friends after they are caught in a net, they have blue hoods. But when one of them mistakes them for Hooded Robin, their hoods turn green like their bodies. This also happens when they are told to retreat. (00:03:19)
Hooded Robin and His Mario Men - S1-E25
Revealing mistake: When Hooded Robin introduces himself, a bush moves with the screen for a few frames. (00:04:06)
Hooded Robin and His Mario Men - S1-E25
Revealing mistake: When Mario tells Hooded Robin to remember him and his friends, Luigi is layered between the crossing gate. (00:07:04)
Hooded Robin and His Mario Men - S1-E25
Continuity mistake: When King Koopa asks Hooded Robin, "How does it feel to be in his dungeon?", the spikes on his shackles disappear. (00:08:41)
Hooded Robin and His Mario Men - S1-E25
Continuity mistake: When Mario and his friends look at the hallway leading to the Coins, Hooded Robin's red wings turn yellow. This also happens when Princess Toadstool takes a curtain. (00:11:19 - 00:11:47)
