After Orville and Jeff emerge from splashing in the oasis, they are dry.
When Jeff and Orville are seated on the shore after the ship wreck, Jeff inserts his dry cigarettes into his left breast pocket, with the tops visible. They disappear, however, when the camel makes its entrance, and are never seen again. They can't have fallen into the pocket since Jeff had pushed them to the bottom of the pocket.
Orville is wearing a shiny overcoat when the maiden comes to tell him that Jeff is in the courtyard. Orville then pulls the coat back over his shoulder.
When Jeff enters the room where Orville and Princess Shalmar are watching the dancing girls, he walks down the center and then drifts slightly over to the left decorative border on the floor. In the next shot, he is well past the left border, standing near a column.
Orville says that he was born on September 13, 1913, a Friday. That date was actually a Saturday.
Gun powder mixed with tobacco and rolled into cigarettes would not explode like firecrackers when lit. It would only burn rapidly with a hissing sound.
Crosby flips a coin, but instead of asking "heads or tails," he asks Hope to tell him the date on it. "1910?" "Pretty close: 1911." Hope then says "Okay, so you win the nickel. See if you can find any white meat on that buffalo." However, "buffalo" nickels weren't minted until 1913.
The gong in Orville's bedchamber was not designed to struck with any force. When he hits it, he puts in a deep dent. An earlier dent of the same size can be seen, indicating that what is shown in the film is the second take of this shot.
When Orville and Jeff are in jail, the superimposed background bleeds into the jail guard's caftan.
The head of the camel that is kissing Orville and Jeff disappears before it has completed rising out of shot at one point.
Orville and Jeff are kissed by an amorous two-humped (Bactrian) camel. The camels in North Africa (Dromedaries) have only one hump. Bactrian camels are a much more the norm in Central Asia.
Kasim is told about the prophecy that Princess Shankar's first husband will die in a week, so then he agrees to let Orville marry her first. Yet when Jeffrey is about to marry the Princess, Kasim is mad and tries to stop it so he can marry her. Kasim was never told of the mistake in the prophecy.
When Jeff agrees to marry Princess Shalmar, Orville tells Jeff that he will have the happiest week of his life. Although Orville has discovered that marrying her is certain to result in death, he has not been told the specific expected lifespan.
When Orville exits the fruit vendor's shop to look for Jeff, the shadow of the microphone boom is briefly visible on the wall behind him.