Character mistake: In the scene with the ants, Jones refers to them as "Siafu", which is actually the Swahili name for driver ants which are native to Africa, not South America.

Continuity mistake: At the start, just as the carful of teenagers joins the convoy of military vehicles on the road, there are very long shadows being cast on the road, which vanish in the following shots. Their long shadows return when the convoy turns onto another road, but disappear again as they arrive at the main gate. (00:00:45)
Indiana Jones: You just brought a knife to a gunfight.
More trivia for Indiana Jones and the Kingdom of the Crystal Skull
Question: What did Dovchenko shout in Russian when he was being dragged into the nest, just before getting devoured alive? Did he yell "Help me!" or "Somebody help!"?





Answer: He's screaming "Help me!"