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 beginning when Indy is talking to Spalko, his hands keep alternating from being in his pockets to just resting at his sides between shots.
Dean Charles Stanforth: We seem to have reached the age where life stops giving us things and starts taking them away.
Trivia: When in the tent and forced to face the Crystal Skull, Indy dismisses the skulls as being from "Saucer Men From Mars". Indiana Jones and the Saucermen from Mars was actually an early title for the film.
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!"