Other mistake: As Early and Roy watch the time clock waiting for the lunch whistle, the clock reads 11:56 a.m. It then jumps to 12 noon, bypassing four minutes.
Visible crew/equipment: When Baby tries to walk, and he falls over, as he falls you can see the black sleeve covering the puppeteer's arm.
Other mistake: A time card reads 6,000,002 BC, when it should've read "60,000,002 BC". (00:07:12)
Visible crew/equipment: During the trial, while the first witness gives his testimony against Charlene, when the prosecutor reiterates, "Disagreeing with the majority in a democracy," and the judge responds, "Well, that settles it for me," the blonde hair of the puppeteer is visible beside the judge, at the bottom left corner of the screen. (00:12:40)
Visible crew/equipment: At the end, when Riley returns with Charlene and Robbie because they couldn't be thrown off the edge of the world, the electrical cables for the animatronics are visible under and behind Earl.