Continuity mistake: When King Koopa and Kooky board the Mega Mechanasaur, the brown borders around the cockpit turn blue. (00:07:48)
Revealing mistake: When a cave person drives out of the factory, he overlaps onto a house. (00:05:38)
Continuity mistake: When Mario, his friends, and the cave people are ready to fight the Mega Mechanasaur, the machine's lower jaw changes from yellow to blue. (00:10:40)
Continuity mistake: Throughout its appearance, the colour of the Mega Mechanasaur's levers changes. (00:07:45 - 00:11:26)
Continuity mistake: When Kooky lifts the mask of his disguise, its white tooth turns brown, like the rest of the mask. (00:02:17)
Continuity mistake: After Luigi asks how many more wheels he and Mario have to make, his black mustache turns the same color as his skin. (00:02:26)
Continuity mistake: When Mario and Luigi are in the lava pit, the pizza Luigi is cooking changes direction between shots. (00:08:52 - 00:09:22)
Continuity mistake: When Luigi asks Mario about the message, Princess Toadstool is sending, Mario's blue shirt turns red, while the stripes on his and Luigi's gloves turn the same color as their shirts. In the same shot, Luigi's mouth initially is not moving when he speaks. (00:09:11)
Continuity mistake: When the Mega Mechanasaur starts breaking into Dome City, its dark-blue shoulders turn light blue. In the same shot, the cover underneath it disappears. (00:07:37)
Continuity mistake: When Yoshi appears with a digging helmet, he has four spikes on his back instead of three. (00:10:27)
Continuity mistake: When the Koopa Troop runs away, the green spikes on the orange dinosaur turn orange, like its body. (00:11:30)
Continuity mistake: When Luigi and Yoshi start fighting over the stick, the black "L" on Luigi's cap turns green. (00:03:57)
Continuity mistake: When Kooky is climbing a tree, his orange tail turns white, like the rim of his shell. (00:02:09)
Other mistake: When Kooky's machine throws King Koopa into the cockpit, the top is transparent. (00:08:18)
