Continuity mistake: When Marzan fights a lion, his clothes are ripped, but when he falls with the female monkey, his clothes are intact. This also happens when he saves his friends. (00:08:16 - 00:10:41)
Revealing mistake: When the female monkey grabs Marzan, he appears out of thin air. (00:08:35)
Audio problem: When Luigi says that Mario's wrench will bring his memory back, his mouth does not move. (00:13:59)
Continuity mistake: When Toad explains that King Koopa and his minions are cutting down the tree, his vest disappears. In the same shot, he speaks through King Koopa's mouth. (00:14:42)
Continuity mistake: In several shots, the white spikes on King Koopa's tail turn orange.