
Braveheart – The Modern Car in the Battlefield
In one wide battle shot, a white van can be spotted in the distant background behind the charging soldiers. It’s barely noticeable unless you’re looking for it, but once you see it, medieval Scotland feels a lot less authentic.

Gladiator – The Gas Canister in Ancient Rome
During the chariot battle sequence in the Colosseum, a compressed gas canister used to power a special effect is clearly visible on the back of one of the chariots. It peeks out from beneath the wooden frame for a few frames.

Harry Potter and the Chamber of Secrets – Cameraman in the Reflection
In a Hogwarts scene involving a shiny surface, the reflection briefly reveals a cameraman crouched nearby. It’s subtle, but sharp-eyed viewers have pointed it out for years.

Pirates of the Caribbean: The Curse of the Black Pearl – The Crew Member on Deck
During one ship sequence, a crew member wearing a cowboy hat and sunglasses is visible standing behind the actors. It’s a modern outfit in a 1700s pirate adventure and somehow it made the final cut.

Pulp Fiction – The Bullet Holes Before the Shooting
Right before Jules and Vincent are fired upon in the apartment scene, bullet holes are already visible in the wall behind them. The impacts appear before the shots are even fired, suggesting a continuity oversight during production.