Continuity mistake: When a Totem attacks Cameron in the car, he leaves some blood on the driver door window. The blood disappears and reappears in between shots.
Continuity mistake: When Rick's introducing some of the puppets as they are laid out on the table, Pinhead's in Cameron's arms while the headless Decapitron is laying next to Tunneler. The moment Rick says "that's Tunneler", there's a close-up shot of Tunneler with Pinhead laying next to him, a few shots later, headless Decapitron is laying next to Tunneler again, and Pinhead's back in Cameron's arms.
Continuity mistake: When Dr. Piper gets attacked by the Totem, and she tries opening the door to escape, there's some blood on the door when she turns the handle, but every other shot of the door after that, there's no blood on it at all.
Continuity mistake: When Rick injects the formula into Jester, in the shot before, he's taking a laser-gun off of one of his robots, then to the shot of Jester, he's suddenly holding the syringe of the formula. (00:38:00)
