Henry: Come on, Junior.
Indiana: Will you please stop calling me Junior?
Sallah: Please, what does this mean? Always with this Junior?
Henry: That's his name: Henry Jones, Junior.
Indiana: I like Indiana.
Henry: We named the dog Indiana.
Sallah: The dog? You are named after the dog.
Marcus: Can we go home please?
Indiana: I have a lot of fond memories of that dog.
In the library scene Indy discovers the "X" high up on the balcony. The X is green with a grey background. But when he breaks the tile to find the tomb the X has disappeared and the ground is a solid green.
In this film Indiana Jones refers to a philosophy class taught down the hall by a Dr. Tyree. In real life, Dr. Tyree was Harrison Ford's college mentor as a philosophy major at Ripon College.