Continuity mistake: When Princess Toadstool says that one of the crocodiles wants to eat Toad, her left eyebrow disappears briefly. (00:05:18)
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 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)
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
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)
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
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)
Robo Koopa - S1-E52
Continuity mistake: In the scene where Bunsun messes up Robo Koopa's controls, everyone's surroundings keep changing in almost every shot, which is basically the floor they are standing on, and the backgrounds. (00:02:10 - 00:03:30)
Robo Koopa - S1-E52
Continuity mistake: When Koopa brags about his vision, toes, etc, when his goggles come out, the two eyepieces are on his right eye for several frames, then it suddenly changes to both eyepieces on both eyes. (00:02:15)
Robo Koopa - S1-E52
Continuity mistake: When Robo Koopa destroys a building, the black border around his chestplate turns white, like the chestplate. This also occurs when he says that the Mario Bros. cannot help Princess Toadstool and Toad. (00:03:22 - 00:08:34)
Robo Koopa - S1-E52
Continuity mistake: When the Marios are hurting enemies and freeing Dr. Nerdnik, Mario kicks through a gate at the start of the scene in order to get inside. This gate disappears, once when Bunsun pushes the doctor through the hole, and twice at the end of the scene. (00:04:45 - 00:06:30)
Robo Koopa - S1-E52
Continuity mistake: Koopa manages to take Toad and the Princess hostage by surrounding them in electric force fields so they can't move. These force fields disappear when Koopa starts chasing Mario, Luigi, Bunsun and Dr. Nerdnik. (00:05:50)
Robo Koopa - S1-E52
Continuity mistake: At one point, Mario asks Dr. Nerdnik how to stop Robo Koopa. The doctor walks in circles, and in the next shot, he is in a different position. (00:06:40)
Robo Koopa - S1-E52
Continuity mistake: When Mario, Luigi, Bunsun and Dr. Nerdnik are about to be crushed by the electric pole, when Luigi moans "we're doomed," he is in front of Mario. In the next shot, Mario is looking ahead while saying "doomed, schmoomed." In this same shot, Mario pulls Luigi over to a nearby fire hydrant, and Luigi moves onscreen from Mario's right. Therefore, Luigi has changed position. (00:07:10)
Robo Koopa - S1-E52
Continuity mistake: At the beginning of the shot, where Dr. Nerdnik builds the Plumbinator, the Mario Bros. change positions, even though they were standing the whole time. (00:08:00)
Robo Koopa - S1-E52
Continuity mistake: The Plumbinator is light blue. It changes to a darker blue when Mario says "May the best machine win" to Koopa. (00:10:05)
Robo Koopa - S1-E52
Continuity mistake: As the fight between Koopa and the Plumbinator begins, in one shot the camera zooms in to Koopa while under the Plumbinator's legs. Robo Koopa's color is light blue in this shot, when it is dark blue in the rest of the episode. (00:10:15)
