Revealing mistake: When the doors to the barn magically fly open to reveal that James has returned, you can see it being opened by someone through a crack in the wall.
Revealing mistake: Whenever the judge's hands are shown, his extra fingers are always unquestionably rigid and still, even while writing. This shows that they are prosthetic (although meant to have been there by birth, which he explains).
Visible crew/equipment: When Mike, Caitlin, and James are at the barn, a boom mic can be seen at the top of the screen. (00:11:00)
