The final film was written by Jeffrey Boam , but several famous "drafts" by other writers helped shape the story:
And who's gonna come to save you, JUNIOR? Indiana Jones: DON'T call me Junior! Quotes - Indiana Jones and the Last Crusade (1989) - IMDb Indiana Jones y La Ultima Cruzada
"The quest for the Holy Grail is not archaeology, it's a race against evil." Quotes - Indiana Jones and the Last Crusade (1989) - IMDb The final film was written by Jeffrey Boam
Titled Indiana Jones and the Monkey King , this draft featured Indy battling a ghost in Scotland and eventually searching for a "fountain of youth" in Africa. It included a sequence with a tank chase, which was one of the few elements kept for the final film. It included a sequence with a tank chase,
"I should have mailed it to the Marx Brothers." The Grail Knight: "He chose... poorly."