Continuity mistake: When King Koopa says Mario's friends will be cooked, the number of fingers Mario has on each hand changes from five to four. (00:08:12)
Continuity mistake: When King Koopa says that his customers and employees might not agree with Mario and his friends, his yellow eyes turn white. (00:08:07)
Continuity mistake: When Luigi and Yoshi put food down on a table, Yoshi's yellow wings turn green. This also happens before Mario announces the closure of the restaurant. (00:07:37)
Continuity mistake: When King Koopa is looking at Luigi and Yoshi trading their treasure chest for his food, part of his yellow underbelly turns green like his body. (00:07:00)
Continuity mistake: When Luigi and Yoshi say that they are hungry, the number of spikes on Yoshi's back briefly changes from three to four. (00:05:58)
The Night Before Cave Christmas - S1-E6
Continuity mistake: When Mario says that Oogtar has some explaining to do, the white stripes on his gloves turn blue like his shirt. (00:09:44)
The Night Before Cave Christmas - S1-E6
Continuity mistake: When Oogtar says that he does not deserve a present, Mario's red overalls turn purple. (00:11:02)
The Night Before Cave Christmas - S1-E6
Continuity mistake: When Mario and Yoshi run away from the Koopa Football Players, the orange rims of their helmets turn white, like their mouth guards. (00:09:05)
The Night Before Cave Christmas - S1-E6
Continuity mistake: When Luigi walks over to the jack-in-the-boxes, the one Oogtar is hiding in is green, but in the next shot, it is yellow, and shortly after, the lid on it disappears. (00:04:41)
The Night Before Cave Christmas - S1-E6
Continuity mistake: When first showing the workshop, the jack-in-the-boxes from left to right are purple, red, and yellow, but when Oogtar is looking at his present, the purple and yellow boxes swap colours. (00:04:27)
The Night Before Cave Christmas - S1-E6
Continuity mistake: When Mario shakes the sauce off him, the red emblem on his cap turns black. (00:01:48)
Continuity mistake: When Luigi says that he and his friends are trapped, Princess Toadstool's orange eyebrows turn black. (00:05:33)
Continuity mistake: When Wizenheimer says that he loves to hold people captive, the number of fingers on his right hand switches from four to five. (00:05:23)
Continuity mistake: When Wizenheimer explains that he is an evil Koopa Wizard, Mario's black moustache turns brown. In the same shot, he and Luigi's grey shackles turn white like their gloves. (00:05:14)
Continuity mistake: When Mario tells Yoshi to not be afraid, the number of fingers he has on each hand switches from five to four. (00:01:54)
Continuity mistake: When Mario falls into the cage, King Koopa disappears. (00:07:29)
Continuity mistake: When Mario rips the tent, the lock on the cage faces away from it, but in the next shot, it faces towards it. When Luigi, Yoshi, and the cave people cheer for Mario, the lock returns to its original orientation. (00:10:12)
Continuity mistake: When Luigi, Yoshi, and the cave people cheer for Mario after he saves Princess Toadstool, the white stripes on Yoshi's tail turn green. (00:10:51)
Continuity mistake: When Mario jumps on a Mechkoopa, his black eyebrows turn brown. (00:10:26)
Continuity mistake: When Luigi is giving some ice cream, his white gloves turn the same color as his skin, while the stripes turn the same color as his shirt. (00:11:08)