Robo Koopa - S1-E52
Continuity mistake: During the fight sequence, Koopa ties a rope around the Plumbinator's metal body and pulls the Plumbinator over to him. Luigi cuts the rope with a pair of scissors, causing Koopa to fall back. The part of the rope tied on the Plumbinator disappears for the rest of the scene. (00:10:50)
Robo Koopa - S1-E52
Continuity mistake: At the start of the fight between Robo Koopa and the Plumbinator, Koopa fires a black bomb. The number of bombs in this sequence keeps changing, from 1 when he fires it, then 3, then 2 when the Plumbinator sends the bombs back to Koopa, then 3 again, and finally 2 when Koopa dodges the returned bombs. Also, the color of the bombs keep changing from black to red. (00:10:20)
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 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)
Continuity mistake: King Koopa orders 12 Pidgits to attack Mario's Carpet, but only 9 appear and attack the carpet. (00:14:17)
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: 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: 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: 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)
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)
Star Koopa - S1-E51
Continuity mistake: After Darth Koopa tells Mouser to speed up the Koopa Star, his costume disappears. (00:04:58)
Continuity mistake: Throughout most of the episode, the mayor's mustache is brown, but in his initial appearance, it is black instead. (00:04:34)
Raiders of the Lost Mushroom - S1-E49
Continuity mistake: When Mouser and Koopa Troopa pull out their Cobrats, Mouser's band switches from his left arm to his right, while Kolonel von Koop's right arm changes from green to red. (00:09:54)
Raiders of the Lost Mushroom - S1-E49
Continuity mistake: When Kolonel von Koop approaches Mario and his friends, his tank top and belt disappear. (00:09:40)
Raiders of the Lost Mushroom - S1-E49
Continuity mistake: When Indiana Joe says that he will not enter the Temple of Koopa, his brown bag turns yellow. (00:06:46)
Raiders of the Lost Mushroom - S1-E49
Continuity mistake: When Kolonel von Koop says that Mario and his friends are not going to have the Lost Mushroom, one of his white nails turns blue, like his shirt. (00:05:38)
Raiders of the Lost Mushroom - S1-E49
Continuity mistake: When Kolonel von Koop and his minions are surprised that Mario and his friends survived, Koopa Troopa's yellow face turns green like the rest of his body, while Mouser's skin-color tail turns grey like his trousers. (00:13:28)
Continuity mistake: After Luigi tells Mario to let go of the Bob-omb in the Mushroom Land, his black sideburns briefly turn skin colour. (00:15:51)
Continuity mistake: When a Koopa Troopa trips a policeman, the policeman's baton disappears when it hits the ground. (00:04:48)