Continuity: In the scene where the Princess first has the idea for getting another love potion, the spots on Toad's head change to black then back to red.

Continuity: When Mario, Toad and Luigi are driving to the rebel fort, the seatbelts they are wearing disappear for most of the scene.

Continuity: When Toad screams to run away after the bob-omb has been lit, Mario, Luigi and their car has vanished.

Other: When Mario, Luigi and Toad are speeding to get to the rebel fort, Toad tells Mario to look out the car's rear-view mirror. However, the car doesn't have one.

Continuity: When the Mario Bros. speed up their car to get to the rebel fort, in one shot both of Mario's hands are on the steering wheel, and in the next shot his right hand is on some sort of lever that makes the car go faster. Luigi's hands also change position in these shots.

Continuity: At the beginning of the episode, when Koopa's state Troopa makes the Mario gang pull over, both vehicles stop in the middle of the road. From there on, the cars are at the side of the road.

Continuity: When Mario, Luigi and Toad say goodbye to the Princess, Toad is standing at the front of their car, Luigi in the middle, and Mario at the back. Two shots later, the order changes to Mario at the front, then Toad, and Luigi at the back of the car.

Other: Koopa's army tries to stop the Marios from getting to the rebel fort by driving a truck and stopping it in the middle of the road. However, nobody is driving the truck.

Continuity: When Koopa sends Mouser to hunt down the Marios after finding out they've escaped, the binoculars that he was holding have disappeared.

Continuity: After the Marios say goodbye to the Princess, Mario is at the front of their car, then Toad, and Luigi at the back. Mario and Luigi swap places for the rest of the scene.

Continuity: The Thunderbirdo is supposed to be pink. It is green when first visible after Koopa orders it up. It turns green again right before it explodes.

Continuity: As Mario, Luigi and Toad speed to the rebel fort, the side-view mirrors keep disappearing.

Continuity: In one scene, Luigi is wearing the same color hat as Mario and when Luigi opens his mouth to talk, it's Mario's voice we hear.

Continuity: Near the end, when Koopa escapes through the warp you will see, for a split second, that Mario and Luigi have switched their colors.

Continuity: When Koopa escapes through the warp at the end, the hole closes up. When Mario says "We sure whipped him this time," (meaning Koopa) look at the ground and you will see that everyone is standing next to the wide open hole.

Audio problem: When Mario picks up the Lost Mushroom for the first time, his mouth is moving, but not saying anything.

Continuity: Near the end of the episode, when Koopa is tricked into pushing the ejector seat button, Bunsun has disappeared beside Dr. Nerdnik.

Plot hole: Near the end, Robo Koopa sets down Dr. Nerdnik after he had just captured and held him hostage. Why would he do that?

Continuity: 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.

Continuity: 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.