[[quoteright:320:http://static.tvtropes.org/pmwiki/pub/images/operation_petticoat_poster_8022.jpg]]

A 1959 comedy starring Creator/CaryGrant and Creator/TonyCurtis and directed by Creator/BlakeEdwards concerning the manic maiden voyage of the submarine ''Sea Tiger'' in the early days of UsefulNotes/WorldWarII.

The movie begins with Rear Admiral Matt Sherman (Cary Grant) making a sentimental visit to his first command, which is due to be scrapped. He goes down to the empty Captain's cabin, opens the old log book and begins to read. Cue flashback to December 10th 1941. The ''Sea Tiger'', part of the Asiatic Fleet stationed at Cavite, is sunk at dock and Lt. Commander Matt Sherman and his crew works frantically to jury-rig sufficient repairs to make the run from the Philippines to Darwin, Australia where the Asiatic Fleet is regrouping with Allied forces. Lt. Nick Holden (Tony Curtis) is a reassigned Admiral's Aide with no sea experience who proves unexpectedly useful as the new [[TheScrounger 'Supply Officer']] getting Sherman the parts he needs by humorously unscrupulous means.

Repairs are finally complete and they are ready to get under way, but the No. 1 diesel engine keeps backfiring and sending out black smoke. As the Engineering Division try to fix it, a local witch doctor comes up and starts doing some kind of ritual dance to ward off evil spirits. An annoyed Sherman tries to get him to leave, when suddenly the engine starts and they are finally able to shove off. As the sub heads out to sea, the engine backfires and the witch doctor stops dancing and shakes his head, remarking, "They'll never make it."

The battered ''Sea Tiger'' sails under strict orders to avoid engaging any enemy craft - including lifeboats. Forced to drop anchor at Marinduque for still more repairs Mr. Holden goes ashore and discovers five stranded Army Nurses. A submarine isn't intended to be co-educational but obviously the women cannot be left where they are. Cue sexual tension between a predatory (and engaged) Lt. Holden and Lt. Barbara Duran; Captain Sherman and the buxom - and clumsy - Lt. Delores Crandall; and the misogynistic Chief Machinist's Mate Sam Tostin and the mechanically-inclined Major Edna Heywood, the nurses' Commanding Officer.

Sherman intends to unload the nurses at Cebu but the Army officer in Command refuses to take responsibility for them as he is expecting to be overrun and engage in guerilla operations, possibly for years. Nor can he help Sherman obtain the parts he needs as ''everything'' has been taken up into the hills. Lt. Holden comes up with a solution; he establishes a 'casino' up in the hills which accepts machine parts in exchange for chips, leading Sherman to write that Mr. Holden is the only man he knows who will be probably be awarded the Navy Cross at his court-martial.

As the submarine was sunk for several weeks and refloated, she desperately needs a new coat of paint to stave off rust. So one of the more important items Holden obtains is lead primer paint for the submarine's undercoat. Unfortunately they come up slightly short of the total amount needed and have to mix red and white lead, slightly watered down, resulting in a bright ''pink'' submarine. The nurses find this amusing, while the submariners pray to God that nobody sees them on it. They have regulation haze-gray paint to go over it but predictably are forced to make a quick departure under fire before this can be done. They also have a dozen or so more passengers, the wives and children of the dealers at Mr. Holden's casino and a goat to provide milk for the children. Even better two of the women are in the last stages of pregnancy.

[[TemptingFate Sherman naturally assumes that things can't possibly get worse]] - then they do. TokyoRose mocks the bright pink submarine cruising the Celebes Sea and U.S. Naval Intelligence assumes it's deliberate disinformation leading to orders to fire on the ''Sea Tiger'' when she attempts to make contact with a destroyer group. Sherman is forced to resort to most unconventional means to prove that he is 'friend' not 'foe'.

The flashback ends with a color photo of the pink ''Sea Tiger'' steaming into Darwin Harbor. Smiling Admiral Sherman closes the log book and goes on deck to encounter ''Commander'' Nick Holden, now captain of the ''Sea Tiger'' who has just said good-bye to his wife, the former Lt. Duran, and their two sons. A few moments later the Admiral's wife, the former Lt. Crandall, arrives with their four lovely daughters rear ending his staff car and sending it into a bus which then pulls out dragging the Admiral's car behind it by the locked fenders.

He assures her it won't go far, then turn to watch as ''Sea Tiger'' shoves off for the last time, punctuated by an explosion from the No. 1 engine. Sherman shakes his head, remarking, "I guess we never did get that fixed."

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!!Tropes featured :

* ArmedFarces: Albeit a somewhat unusual take on this trope. Sherman and most of his crew (minus Holden and Ramone) are competent professionals who are thrust into a very unusual situation and keep getting increasingly-absurd complications piled on.
* BavarianFireDrill: Used by Holden during one of his "supply runs". While two others from the ''Sea Tiger'' are finding the parts they need in a military warehouse, Holden is outside. As Holden (who is wearing black clothes and dark face paint) is keeping watch, a Marine from the local garrison approaches him and asks what he's doing there. Immediately, Holden berates him for breaking blackout regulations by not having proper camouflage and goes on to explain [[BlatantLies that new orders from Admiral Nimitz require all personnel to wear black face paint at nighttime or else enemy planes will use the reflection of moonlight on their white faces to aim bombs at the base]]. He even offers his own face paint to the Marine, who returns to his jeep and shares it with his buddy.
* BelligerentSexualTension: Most notably between Tostin and Heywood.
* BlatantLies: When Sherman is trying to convince Captain Henderson that the ''Sea Tiger'' is ready to ship out, none of his crew put up a good show of lying to the captain. Henderson is hardly impressed.
-->'''Henderson''': "I'd say take your scavengers and these liars here and [[GetOut get out]]."
* BrickJoke: As they are trying to get under way, one of the diesel engines keeps backfiring, making sounds like explosions accompanied by thick, black smoke. The problem does not occur again while they are at sea (or at least, the smoke doesn't. The engine can be frequently heard gurgling throughout the movie while running on the surface). At the end, as ''Sea Tiger'' is getting under way, there is a sudden sound like an explosion and black smoke, causing Sherman to remark that they never did get that engine fixed.
* BuxomIsBetter: Nurse Crandall is notably well-endowed, and it becomes something of a RunningGag when crewmen passing through the sub's narrow compartments "have to" (and probably intentionally) squeeze past her. It gets to the point that Sherman orders that Crandall is to be given right of way. Later, when they're forced to send out the women's undergarments as "wreckage" to convince the destroyer depth-charging them that they're an American sub, Crandall's is of course the one the crew haul aboard first.
* TheCaptain: The bemused and put upon Matt Sherman.
* CaptainsLog: With lots of entries that... well, [[ItMakesSenseInContext make sense in the context]].
* TheCasanova: Lt. Holden.
* CuteClumsyGirl: Lt. Crandall.
* DealWithTheDevil: Sherman describes it this way when he orders Holden to get the parts he needs to get ''Sea Tiger'' moving before the Japanese overrun the port.
* TheDeterminator: Sherman will stop at nothing to get ''Sea Tiger'' back out to sea, including allowing Holden to clean out the office of Captain Henderson, the commander of ''Sea Tiger's '' submarine squadron.
-->"I think we've been victims of [[UsefulNotes/TheAmericanCivilWar Sherman's]] [[http://en.wikipedia.org/wiki/Sherman%27s_March_to_the_Sea march to the sea."]]
* DoubleMeaning: When Sherman is trying to convince Captain Henderson that his sub is seaworthy so they can leave harbor
-->Lt. Cmdr Sherman: "Molumphry, will this boat go down?"
-->Chief Molumphry: "Like a rock, sir!"
* TheEeyore: Seaman Broom; 'You can't win, my friend...'
* EmbarrassingTattoo: Poor Seaman Hunkle, he's got a female nude tattoed on his chest and feels he can ''never'' go home and marry his fiancee.
* EpicFail: The ''Sea Tiger'' sights a Japanese tanker in a harbor and is trying to lay in a torpedo strike against the easiest target imaginable. One of the nurses (Lt. Crandall, of course) mis-steps, accidentally causing the launch button to be hit before the torpedo's guidance system can be programmed with its firing solution, and the torpedo not only misses the tanker, but somehow manages to cruise straight up the beach to blow up a truck.
** Even worse when you consider that (in 1942 dollars) that Japanese truck cost less than $1,000 new, while Mark 14 torpedoes cost over $20,000 ''each''.
*** For a GeniusBonus, the exceptionally high cost of the Mark 14 prevented the Depression-era US Navy from conducting any live-fire tests with the new weapon, so American submarines entered the war with torpedoes that ran too deep, exploded prematurely, didn't explode at all, or even sometimes ran in a circle to strike the boat that fired them. It's unknown exactly how many American submarine losses were attributable to these malfunctions before they were identified and corrected.
* FriendOrFoe: They are mistaken for a Japanese sub by an American destroyer, which attempts to depth charge them. They end up proving that they are not Japanese by launching the nurses' undergarments from the torpedo tubes.
* HelloNurse: Lt. Crandall, very much so.
* IndyPloy: Holden's specialty. When Captain Sherman asks what he did on the admiral's staff, he describes his job as "Idea Man."
* ItMakesSenseInContext: ''Petticoat'' is pretty much ItMakesSenseInContext: TheMovie. The situations ''Sea Tiger'' and her crew end up in are so insane they defy easy description, from ''Sea Tiger'' managing to [[EpicFail sink a truck]], to the pig hidden in the head.
* LadykillerInLove: Lt. Holden becomes this after meeting Lt. Duran. Unfortunately he's engaged...
* NotSoAboveItAll: When Holden decides to steal a pig. Sherman has been pretty harsh with Holden up to this point, even though he has been letting his creative scrounging slide for a good part of the movie. So when the guys snag a pig from a local farmer on Cebu, you would expect Sherman to give it back, right? Wrong. One look at the pig (which Holden had hidden in the ship's head) changes Sherman from irate commanding officer to top negotiator, "volunteering" a number of Holden's most valuable possessions (much to Holden's dismay) in compensation for the farmer's lost pig while not really admitting that the pig is on the ''Sea Tiger''.
* PoorCommunicationKills: ''Sea Tiger'' is nearly sunk by their own navy because they think the bright pink sub couldn't possibly be one of their own.
* RunningGag: In exterior shots of the ''Sea Tiger'', the engine is occasionally heard belching.
** Holden calling for Ramone whenever he needs something.
* TheScrounger: Lt. Holden
* {{Sexophone}}: A bit of sultry saxophone jazz plays when ''Sea Tiger'' fires the nurse's undergarments from her torpedo tubes to convince the American destroyer depth-charging them that they ''are'' an American boat (ItMakesSenseInContext).
* SubStory
* TokyoRose: A propagandist broadcasting on the radio declares that while the Japanese can't figure out why the Americans would paint a submarine pink, they will not hesitate to sink it on sight.
* VeryLooselyBasedOnATrueStory: It was red rather than pink, it was a bus, not a truck and it didn't happen all to the same submarine in a single voyage, but surprising number of gags from the film had some basis in real history.
* WitchDoctor: Lt. Holden hires one of these to see the ''Sea Tiger'' off, on the theory they need all the help they can get. Though even he comments afterward "They'll never make it."

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