Continuity mistake: When Cheryl is running through the woods, she is wearing slippers that stay on up until she reaches the cabin door. However, in following shots, she is shown barefoot, and when Ash opens the door her foot is dirty as if she'd been running barefoot the whole time. (00:28:05 - 00:29:10)
Continuity mistake: The level of liquid in the doctor's beer mug changes noticeably between shots; the mug fills itself up again just before he leaves the pub. (00:47:10)
Continuity mistake: In the beginning scene, the ruler of Argos is condemning his daughter and son to the sea with a group of guards present at the shore. While he is giving his speech, there is a brief moment when the whole group can be seen getting drenched by a wave crashing ashore, but in the very next moment of his speech - even up to the daughter's cast off - no one is wet.
Continuity mistake: When the two station reporters are showing Eddie's drawings to George Waggner, the drawings change position on the desk between shots. (00:16:00)
Continuity mistake: After the fight Lancelot lies dying and King Arthur says to Merlin, "Bring him back, whenever the cost". Guinevere lifts Lancelot's left hand and kisses it but in the next shot both of her hands are on his wound. (01:20:20)
Continuity mistake: As Kevin and the Time Bandits make their way to the place that Napoleon has taken control of, five people are executed by a firing squad. A couple shots later, the same group of people are being executed again. (00:15:35)