Raiders of the Lost Ark
When Indy and the monkey are having a few drinks after the truck carrying Marion exploded, there's something a bit strange in the background... You might be able to spot the gray-shirted extra to the left dressed in jeans and a tee. Not exactly dressed for the year 1936, it seems?
Willy Wonka and the Chocolate Factory
This classic 1970 film follows a poor boy who gets the opportunity to visit one of Willy Wonka's mysterious chocolate factories. If Grandpa Joe hasn't left his bed in 20 years, how did he get ahold of that chocolate bar? Clearly, the guy must have really been craving something sweet...