Continuity mistake: When the football flies over Luigi, the white circle on his cap turns green, like the rest of the cap. (00:02:15)
Continuity mistake: Throughout the episode, the number of fingers Mario and Luigi have on each hand switches from five to four.
Continuity mistake: When Princess Toadstool and Yoshi jump into the ring, the stripe on the green dinosaur wrestler's horn disappears. This also happens when it chases the miniature Marios a second time. (00:08:35 - 00:09:04)
Continuity mistake: When Princess Toadstool and Yoshi jump into the ring, the green dinosaur wrestler's green eyes turn white. (00:08:36)
Continuity mistake: When Luigi says he is bruised everywhere, the orange dinosaur wrestler's green shackle turns black, while the black spikes turn red. (00:08:18)
Continuity mistake: When Luigi says the green dinosaur wrestler wants to shake hands, the number of fingers he has on each hand switches from five to four. (00:07:46)
Continuity mistake: In its first appearance, the green dinosaur wrestler's shackle is on its left wrist, but when it sticks its hand out to Mario, it is on its right. (00:07:45)
Continuity mistake: In this episode, Hop's eyelids are black instead of green.
Continuity mistake: When the Marios look at each other after Mario mentions that the cave people are storming the castle, the white stripes on Mario's gloves turn blue, like his shirt. (00:05:52)
Continuity mistake: When Mario asks, "How much do the television sets cost?", Luigi's green eyes turn blue. (00:03:03)
Continuity mistake: When King Koopa introduces "Rock Rock Baby," Luigi's green cap and overalls turn red. (00:02:36)
Gopher Bash - S1-E9
Continuity mistake: When Cheatsy picks up a coin from the piggy bank, it is blue like the bank, but after he stands up, it turns yellow. (00:08:19)
Gopher Bash - S1-E9
Continuity mistake: When Cheatsy is surprised by Mario and his friends, the stripes on his eyelids disappear. (00:08:36)
Gopher Bash - S1-E9
Continuity mistake: When Mario lands on a Magic Balloon, the number of fingers he has on each hand switches from five to four. (00:06:52)
Gopher Bash - S1-E9
Continuity mistake: When the screen pans to Cheatsy in a tunnel, the white rim on his shell turns orange like his body. (00:03:04)
Gopher Bash - S1-E9
Continuity mistake: After King Koopa agrees with Cheatsy's plan, Cheatsy's orange tail turns white like the rim of his shell. This also happens when he watches Luigi and Yoshi get washed away by the flood. (00:02:24 - 00:03:33)
Gopher Bash - S1-E9
Continuity mistake: When Luigi gives Yoshi some seeds, his blue shirt turns green. (00:02:33)
Gopher Bash - S1-E9
Continuity mistake: When Cheatsy suggests to King Koopa to steal all of the crops, the white rim on his shell turns green. (00:02:04)
Party Line - S1-E8
Continuity mistake: When Luigi says it is his and his friends' chance to bring things back to normal, the white stripe on his right glove turns blue for a few frames. (00:09:34)
Party Line - S1-E8
Continuity mistake: When Mario pulls on the giant dinosaur's tail, its lower jaw changes from orange to purple. This also happens when he is about to launch it into space. (00:08:06 - 00:09:08)