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''Two Arabian Knights'' is a 1927 comedy directed by Lewis Milestone and starring William Boyd (who would later go on to be famous for his portrayal of the cowboy Hopalong Cassidy) and [[Literature/AllQuietOnTheWesternFront Louis Wolheim]]). Boyd and Wolheim play American doughboys in UsefulNotes/WorldWarI--respectively, W. Dangerfield Phelps III (a rich boy from Philadelphia) and Peter O'Gaffney (his sergeant, and a petty criminal in peacetime). Phelps and O'Gaffney dislike each other enough that they have a fistfight at the bottom of a foxhole in the middle of a battle. While punching each other they are captured by the Germans and taken to a POW camp.

Eventually Phelps and O'Gaffney make friends and escape from the POW camp. They are recaptured and (because they are wearing bathrobes from the showers to blend into the snow) placed in a column of Arab prisoners of war. They escape again, jumping from a moving train into a haycart, which promptly loads its hay onto a ship bound for Arabia. While on the ship, they meet an Arab princess, Mirza (Creator/MaryAstor). Mirza and Phelps fall in love, but she has already been pledged to marry an Arab prince.

''Two Arabian Knights'' is the oldest surviving film produced by Creator/HowardHughes. It was thought lost for many decades, until a print was found in Hughes' vaults after his death (unfortunately, the print is badly decayed in some scenes). None other than a young Creator/BorisKarloff has a small part as the purser on the Russian ship that takes Phelps and O'Gaffney to Arabia. This film won an UsefulNotes/AcademyAward for "Best Director, Comedy Picture" for Lewis Milestone. This award was never given again, instead being fused with "Best Director, Dramatic Picture" to form a single Best Director award.

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!!Tropes:

* ArabianNightsDays: Naturally, given the time period and setting.
* ArrangedMarriage: Mirza has been pledged in marriage to an Arab count. She likes Phelps a lot better.
* BarBrawl: O'Gaffney starts one in a bar because he's irritated at a local that keeps staring at him.
* BedlahBabe: When Phelps and O'Gaffney find Mirza again, she's wearing the stereotypical bra and harem pants.
* BilingualBackfire: When Mirza reveals that she speaks English, Phelps and O'Gaffney are embarrassed by the crude comments they made in her presence.
* ExactWords: Our heroes ask the Emir, Mirza's father, for a reward and protection on the streets. The Emir's servant says "Follow me and you will never be bothered on the streets again." The Emir has ordered that Phelps and O'Gaffney should be killed for dishonoring Mirza.
* LiteralAssKicking: O'Gaffney kicks Phelps in the behind while mustering him and the other soldiers in the POW camp.
* LoveTriangle: Unsurprisingly, Mirza picks young, handsome Phelps instead of older, grizzled O'Gaffney.
* MeetCute: Phelps and O'Gaffney meet Mirza when her rowboat overturns and they have to dive into the ocean to save her.
* PassThePopcorn: The Germans who come upon the two fighting in the trenches are so amused they all stop what they're doing and instead watch the brawl instead of continuing to take the battlefield.
* POWCamp: Our heroes escape from one.
* PunBasedTitle: "[[Literature/ArabianNights Arabian Knights]]". Get it?
* RebelliousPrincess: Mirza wants to run away with Phelps.
* VitriolicBestBuds: Phelps and O'Gaffney are introduced trading punches in the middle of a battle. They make friends in the POW camp, but they still snipe at each other.