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)
Revealing mistake: In one shot of the crocodiles chomping the general store down, some of the pieces of wood freeze in midair. (00:06:41)
Other mistake: When Toad mentions that when the general store is destroyed, he and his friends will be eaten, the general store is stationary despite the crocodiles chomping the building down. This also happens when Princess Toadstool hopes that Mario and Luigi will bring the statue. (00:06:45 - 00:09:36)
Continuity mistake: When the boomerangs return to the Koopa Troopas, the cream band on Kangaroo Koopa's hat turns brown like the rest of the hat. (00:09:01)
Continuity mistake: When the mayor points to the barbecue, the green linings on his shirt turn skin colour. (00:09:48)
Continuity mistake: When the mayor says that he and his friends should head for higher ground, the red spots on Toad's cap turn purple, like his shoes. (00:11:29)
Revealing mistake: When the crocodiles approach the tree, one of them is layered under a rock. (00:11:57)
Audio problem: When Mario tosses the statue to Princess Toadstool, his mouth moves, but no sound can be heard. (00:15:27)
Star Koopa - S1-E51
Continuity mistake: After Darth Koopa tells Mouser to speed up the Koopa Star, his costume disappears. (00:04:58)
Star Koopa - S1-E51
Revealing mistake: When Princess Toadstool zaps the Stormtroopa holding Luigi, the light around it is misplaced. (00:06:48)
Star Koopa - S1-E51
Revealing mistake: When Princess Toadstool explains that the Mushroom Colonists have a right to be on their planet, a line on her dress appears over her right arm. (00:07:13)
Star Koopa - S1-E51
Continuity mistake: When Darth Koopa freezes Mario, his Freeze Gun is red, but when he freezes his friends, it turns grey. (00:08:21)
Star Koopa - S1-E51
Continuity mistake: When Mario asks if his friends have their seatbelts on, Princess Toadstool's brooch changes from yellow with a blue centre to blue with a yellow centre. (00:12:01)
Star Koopa - S1-E51
Revealing mistake: When Obi-Wan Toadi presents the pizza to Mario, the right strap of Mario's seat is connected to thin air. This also happens when he says that the pizza will bolster his appetite. (00:14:48)
Robo Koopa - S1-E52
Revealing mistake: In the first chase scene, the backgrounds are usually repeated in close-up shots, because you can see a sudden jump in the background animation. (00:00:40 - 00:02:25)
Robo Koopa - S1-E52
Audio problem: At the beginning of the episode, when Toad cries "jump for your life," his mouth is moving before he actually speaks. (00:00:45)
Robo Koopa - S1-E52
Other mistake: Mario has vanished when Luigi says "Koopa was scary enough when he was a reptile." (00:01:40)
Robo Koopa - S1-E52
Continuity mistake: When the brothers, Toad and the Princess are dashing away from Koopa, there is a shot with the four of them running offscreen. Notice the background as the camera pans to Koopa. The next shot shows a very different background. (00:01:45)
Robo Koopa - S1-E52
Other mistake: In a wide shot of the Mario brothers dashing from Koopa, they run over an open hole, though nobody falls into it. (00:01:50)
Robo Koopa - S1-E52
Continuity mistake: In the first chase scene of Koopa running after the Mario gang, at one point, Koopa fires two bullet bills at the plumbers. In the next two shots, there are three bullet bills seen, and when the gang ducks, two bullet bills fly past them. (00:02:00)
