Rumpus in the Harem (1956)

Set in a desert land where the stooges run a restaurant, the boys need money to pay their fiancée's taxes, or the girls will be sold as slaves. Some crooks come into their restaurant and convince the boys to recover the stolen Rootin Tootin diamond. The stooges decide to return the diamond to the government and get the reward money. They learn that the Emir of Shmo has absconded with the contraband jewel. They journey to the stronghold of Shmo where they disguise as Santa Clauses and scare the ruler into giving them the diamond.