Princess Toadstool for President - S1-E5
Revealing mistake: When the Mushroom People cheer for King Koopa after he says that there will be more nice things if they elect him as their ruler, a Mushroomer's face is not fully coloured in. (00:04:29)
Princess Toadstool for President - S1-E5
Continuity mistake: When Kooky says that King Koopa would never win the election unless he is under the effect of the Nice Guy Potion, his tooth disappears several times. (00:03:38)
Princess Toadstool for President - S1-E5
Continuity mistake: When King Koopa says that he has never been nice, one of his white nails turns green like his body. This also happens when he clears his eyes after being sprayed by Kooky's Nice Guy Potion. (00:03:02)
Princess Toadstool for President - S1-E5
Continuity mistake: When Cheatsy and Kooky are looking at Luigi, the potion inside the beaker disappears. In the same shot, Kooky is holding it in his left hand, but when he and Cheatsy chase after him, it is in his right. (00:09:20)
Princess Toadstool for President - S1-E5
Continuity mistake: When Kooky tells Cheatsy not to rush him, the stirring rod he was holding disappears. (00:08:58)
Princess Toadstool for President - S1-E5
Continuity mistake: When Mario and Luigi look at the Fire Snake in the pipe, Mario's brown hair turns black. (00:08:40)
Princess Toadstool for President - S1-E5
Continuity mistake: When Cheatsy says that King Koopa should not let the public see him not acting nice, King Koopa's yellow eyes turn white. (00:06:44)
Princess Toadstool for President - S1-E5
Continuity mistake: Throughout its appearance, the cage changes colour several times. (00:00:56 - 00:02:03)
Princess Toadstool for President - S1-E5
Revealing mistake: After Mario and Luigi stomp on some Paragoombas a second time, they briefly reappear. (00:01:57)