Continuity: In one scene, Elvis Presley's prison uniform displays the number 6239, yet in another it becomes 6240.

Continuity: When Elvis is at the pool singing "you're so square baby I don't care" watch his guitar player Scotty Moore sitting behind him. They use two camera shots for the scene. In one shot he has sunglasses on, in the other shot they are gone. This happens throughout the entire song.

Audio problem: In one of his most famous movie scenes, Elvis lip syncs the wrong words to Jailhouse Rock. Watch his lips when he sings the words "The (band) was jumpin' down, the joint began to swing." (Time) Submitted by ????