Revealing mistake: When King Koopa tries to jump on the Koopalings, he is layered over a Block. (00:09:47)
Continuity mistake: When Yoshi spits out the Koopas, his lower jaw changes from white to green. (00:10:14)
Continuity mistake: When Mario is about to reroute the lava, his sideburns disappear. In the same shot, his mouth moves before any dialogue comes out. (00:10:37)
Continuity mistake: When Lemmy falls down from the window and running away from Bowser with Iggy, Iggy's face turns orange. Then later, it turns back to green.
Mama Luigi - S1-E13
Audio problem: When Luigi says the skulls were a good sign to him, his mouth moves despite the dialogue being his off-screen narration. (00:02:17)
Mama Luigi - S1-E13
Continuity mistake: When dinosaurs approach Luigi and Yoshi, the purple dinosaur's lower jaw changes from orange to purple, while its purple fingers turn orange. (00:03:02)
Mama Luigi - S1-E13
Audio problem: After the purple dinosaur says that Yoshi is delicious, its mouth moves without any dialogue being present. In the same shot, its white eyes turn yellow. (00:03:24)
Mama Luigi - S1-E13
Revealing mistake: When Luigi waves goodbye to the dolphins, his right hand passes through Yoshi. (00:04:46)
Mama Luigi - S1-E13
Continuity mistake: When Luigi asks if it was something he said, shoes on Yoshi appear. (00:05:26)
Mama Luigi - S1-E13
Revealing mistake: When the caterpillars surround Luigi and Yoshi, one is layered over a bush. (00:05:33)
Mama Luigi - S1-E13
Continuity mistake: When Yoshi mentions that he loves caterpillars, the caterpillars' orange noses turn red, like their bodies. (00:05:37)
Mama Luigi - S1-E13
Continuity mistake: When Mario runs over to Luigi, the number of fingers he has on each hand changes from five to four, and shortly after, his black eyebrows turn brown. (00:06:19)
Mama Luigi - S1-E13
Continuity mistake: When Mario and Luigi are scared of the Koopa Football Player, the door Yoshi went through closes. (00:08:48)
Mama Luigi - S1-E13
Continuity mistake: When Yoshi swallows the Koopa Football Players, their white mouthguards turn orange. (00:08:58)
Mama Luigi - S1-E13
Continuity mistake: When Yoshi is swallowing the Mechkoopas, his lower jaw changes from white to green. (00:09:51)
Mama Luigi - S1-E13
Revealing mistake: When Luigi congratulates Yoshi, his eyes are mostly closed. (00:10:34)
Mama Luigi - S1-E13
Revealing mistake: At the end of the flashback, Luigi's left hand passes through Mario. (00:10:53)
Mama Luigi - S1-E13
Continuity mistake: Throughout the episode, the number of fingers Luigi has on each hand switches from five to four.