The Stooges serve as trainers for pugilist Chopper Kane, under the employ of their employer, Big Mike, a notorious and unscrupulous figure within the realm of boxing and organized crime. Despite their allegiance to Chopper, Big Mike duplicitously wagers on Chopper's adversary, Gorilla Watson, setting the stage for a contentious scenario. Subsequently, Big Mike coerces the Stooges into ensuring Chopper's defeat, threatening dire consequences if they fail to comply.

The Stooges become ensnared in a case of mistaken identity when they are erroneously implicated in an armored car robbery, a predicament exacerbated by their inadvertent involvement in a crossfire incident. Subsequently, Captain Mullins subjects the trio to a lie detector examination, a procedure aimed at discerning their culpability in the alleged offense. However, the results of the examination absolve them of any wrongdoing, leading to their release from custody. Following their exoneration, they return to their regular duties at the Elite Café.

At the Woman Haters Club, Larry and Shemp recount their respective encounters with a gold-digging woman, realizing belatedly that they have been duped by the same individual. Jane, the woman in question, manipulates Larry into an engagement before abandoning him upon encountering Moe, who presents her with a more substantial diamond ring. Meanwhile, Shemp finds himself unwittingly ensnared in Jane's web of deception after performing a charitable act, leading to a precarious situation with her husband, Moe.

Shemp grapples with the liminality between life and death while under the care of Moe and Larry in his final moments. Confronted with mortality, Shemp articulates a warning to his companions, hinting at the possibility of his posthumous presence as a harbinger of consequence should they deviate from moral rectitude. Upon Shemp's transition to the afterlife, his Uncle Mortimer deliberates over the disposition of his soul, pondering whether Shemp's deeds warrant celestial ascension or infernal descent.

The Stooges embark on a quest to validate the existence of contemporary cavemen, driven by the prospect of securing a monetary reward from museum curator B. Bopper. Armed with a 16mm camera, they venture into the wilderness, poised to document any evidence supporting their claim. Upon their return, they present Bopper with a film purportedly showcasing three cavemen inhabiting a prehistoric milieu. The footage depicts the cavemen engaged in mundane activities such as milk mixing, fish hunting, egg gathering, and defending their female counterparts from rival cavemen.

Shemp's prolonged ailment, stemming from a persistent toothache, prompts the Stooges' acquaintance Claude to impart a set of precise instructions for alleviating the discomfort. However, Moe and Larry's misinterpretation of Claude's guidance leads to a series of missteps in their attempts to resolve Shemp's dental predicament. Eventually, after a tumultuous endeavor, they successfully extract the troublesome tooth.

The Stooges are aspiring detectives who find themselves inadvertently immersed in a case concerning the theft of the esteemed Punjab diamond by the notorious Dapper, prompting a departure for Scotland to investigate. Driven by aspirations of professional validation, the trio embarks on a quest for intelligence at Squid McGuffy's cafe, masquerading as law enforcement officials to elicit cooperation.

Following their military service, the Stooges opt to pursue tertiary education, specializing in the field of criminology. Despite completing their studies with the attainment of the lowest academic honors, the trio subsequently integrate into law enforcement ranks, entrusted with the task of apprehending a notorious bandit known as the Eel, poised to perpetrate a robbery at the esteemed Biltless Hotel.

Moe and Larry, precipitated by familial ties, find themselves wedded to Shemp's corpulent sisters, only to realize post-nuptials the unenviable nature of their matrimonial alliances. Tasked with the onerous responsibility of orchestrating a wedding feast, their culinary endeavors culminate in culinary calamities, including indigestible muffins, tainted coffee, and a turkey imbued with flammable turpentine. Their dismal matrimonial predicaments precipitate their expulsion from the familial abode, instigating a vow of retribution against Shemp, the unwitting matchmaker.

The Stooges regale their three sons with tales of their past exploits, recounting instances when they worked as movers tasked with relocating furniture from haunted locales. In one narrative, they recall their assignment at the foreboding Smorgasbord Castle, where they encounter a suit of armor allegedly inhabited by the ghostly figure of Peeping Tom. Despite initial apprehension, the Stooges are reassured of Tom's benign nature.

The Stooges are paperhangers concurrently assuming the role of caregivers for the invalid Mary, confined to a wheelchair. Their routine is disrupted by the allure of a poster featuring the eminent hypnotist, Svengarlic, renowned for his captivating performances. Motivated by the prospect of Mary's potential rehabilitation through hypnotic intervention, the Stooges seek Svengarlic's services, albeit unwittingly falling prey to his ulterior motives.

The Stooges work for Miracle Detective Agency, and are hired by a middle-aged millionaire named John Goodrich (Emil Sitka) to track down some racketeers who have threatened his life. Mr. Goodrich apprises them of the malevolent activities perpetrated by the Phantom Gang, an malevolent organization implicated in the murder of prominent socialites and affluent individuals, with Mr. Goodrich himself slated as their next victim.

The Stooges are proprietors of the Cafe Casbah Bah, an establishment situated in a Middle Eastern milieu. Their morning commences with an abrupt awakening by their distressed romantic partners, beseeching financial assistance to alleviate an incurred debt. Amidst their culinary endeavors, catering to patrons such as Hassan Ben Sober and the Gin of Rummy, the Stooges engage in deliberation over strategies to procure the requisite funds.

The Stooges assume the covert identities of secret agents, deployed on an undercover mission within the domicile of Professor Sneed and his daughter. Professor Sneed, engaged in clandestine research for the government, is developing rocket fuel of strategic significance. The incipient conflict is catalyzed by the clandestine surveillance conducted by Captain Rork of the State of Anemia, who harbors intentions of apprehending the professor for nefarious purposes.

The Stooges are novice plumbers tasked with the retrieval of a valuable ring lost within the labyrinthine confines of the drainage system at the opulent residence of the Norfleet family. Despite initial success in locating the ring, a calamitous mishap precipitated by Larry inadvertently propels the prized object back into the depths of the drain. Determined to rectify their blunder, the Stooges embark on a quest to navigate the subterranean infrastructure, endeavoring to halt the deluge wrought by the malfunctioning plumbing.

The Stooges play janitors who work at a newspaper office, harboring aspirations of transitioning into the domain of journalism. Their entreaties to the managing editor for a chance to prove their mettle as reporters are met with conditional consideration, contingent upon a dinner engagement for deliberation. However, an unforeseen development transpires in the editor's absence, as Moe inadvertently intercepts a critical communication from one of the newspaper's reporters, Smitty, regarding the theft of classified documents by foreign operatives.

Joe finds himself unable to shake thoughts of his departed sister, Birdie. In a gesture of camaraderie, Moe and Larry play along with Joe's belief that Birdie will manifest herself downtown the next day. Upon their excursion, the trio encounters a horse purportedly embodying Birdie's reincarnation, much to the astonishment of Moe and Larry.

Moe, Larry, and Joe find themselves on the brink of proposing marriage to their respective beloveds. However, their plans are disrupted when they discover that the engagement ring intended for Joe's fiancée has been stolen. Suspicions fall upon Elmo, a robust colleague employed at their workplace. Determined to retrieve the ring, the Stooges confront Elmo in the company gymnasium. Their attempt to reclaim the ring through physical coercion proves ineffective, resulting in Moe and Larry being rendered unconscious.

The Stooges play three sets of identical triplets, each born with a one-year interval between them. Following World War II, these nine brothers lose contact with one another, unaware of their shared proximity within the same city. Distinguishing characteristics set them apart: one set (comprising Moe, Larry, and Joe) remains single, another (Max, Louie, and Jack) is wedded, while the third (Morris, Luke, and Jeff) is engaged. Their attire, specifically their neckwear — striped ties for the single brothers, no ties for the married trio, and bow ties for the engaged siblings — serves as a visual identifier.

The Stooges meet up with Professor A.K. Rimple, an eccentric figure, and his daughter, who solicit the trio's assistance in a space expedition. Embarking on the mission, they arrive at the planet Sunev (a reverse spelling of Venus), where they encounter three captivating female extraterrestrials. Initially, an amicable interaction ensues, marked by literal sparks when the aliens bestow kisses upon the Stooges. However, the situation takes a perilous turn as the female beings exhibit cannibalistic tendencies, threatening to extract the Stooges' blood.

Moe stands trial for assaulting his comrades Larry and Joe, pleading with Judge (Vernon Dent) that he was under medical advice to maintain tranquility. However, the serenity is shattered by Larry and Joe's raucous rehearsal of their musical act, exacerbating Moe's fragile condition. Losing control, Moe ensnares Larry's trombone apparatus around their collective neck.

Joe comes across a distressing article in the local newspaper detailing the plight of Schnapps, a circus horse facing potential euthanasia due to injury. However, Moe and Larry urge Joe to redirect his attention to their sister Birdie, whose predicament they deem more pressing. Unbeknownst to them, Birdie is actually the reincarnation of a horse in pursuit of her lost mate, revealed during a breakfast revelation.

Upon awakening one auspicious morning, the Stooges find themselves joyously anticipating their impending nuptials. Following a hearty breakfast, they embark upon the task of tidying their abode, inadvertently wreaking havoc in the process. Their attempts at reupholstering a Davenport sofa result in a series of mishaps, culminating in Moe being on the receiving end of several unfortunate incidents. Initially, Larry's endeavor to trim the upholstery leads to the unintended alteration of Moe's attire. Subsequently, their misguided attempt to expedite the process by employing a machine gun to dispense upholstery tacks backfires, quite literally, with Moe bearing the brunt of the mishap as he inadvertently becomes the target of the sharp projectiles, eliciting a colorful reaction.

The Stooges regale their infant progeny with a narrative of their extraterrestrial exploits. In this tale, they serve as assistants to Professor Jones on an interstellar voyage to the planet Sunev (a reversal of the spelling of Venus). Upon their arrival, they are cordially received by the planet's leader, the Grand Slitz of Sunev. However, it soon becomes evident that the Grand Slitz harbors malevolent intentions to resurrect prehistoric beings and conquer Earth. Professor Jones discerns the nefarious plot but is promptly subdued and restrained.

Quiz show victor Joe falls victim to the deceptive tactics of fraudsters G. Y. Prince and R. O. Broad, who swindle him into investing his winnings in Consolidated Fujiyama California Smog Bags. Seeking restitution, the Stooges embark on a quest to reclaim Joe's lost funds by visiting the offices of the perpetrators. Instead of encountering the swindlers, they encounter two seemingly empathetic businessmen who propose a deal: they will reimburse the losses if Moe, Larry, and Joe agree to pose as juvenile wards for wealthy eccentric Montgomery M. Montgomery and his conniving wife, Lisa.

The Stooges engage in nostalgic recollections of their romantic encounters during their service in Europe during the war. Following the conclusion of their reminiscences, they are astonished to learn that Joe's former paramour, Fifi, whom he had left behind in Paris, has taken up residence in the adjacent dwelling. However, complications arise as Fifi is now wedded to a malevolent, possessive, and unappreciative spouse.

In the third Stooge adaptation of the 1913 play Pygmalion by George Bernard Shaw, the Stooges assume the roles of repairmen who inadvertently cause a commotion in the presence of two psychologists, Professors Quackenbush and Sedletz. A wager ensues between the two academics, with Quackenbush asserting that he can refine the Stooges into gentlemen through environmental conditioning. Despite the professor's best efforts, the process proves to be arduous and exasperating, leading to moments of frustration as he attempts to instill proper etiquette and demeanor in the Stooges.

Renowned producer Larry revisits his hometown, a small agricultural community, where he encounters his childhood friends Joe and sister Tiny diligently tending to their family farm. Notably, Tiny's exceptional vocal talent captivates Larry as she sings, prompting even the barnyard animals to sway in rhythm to her melodies. Impressed by her skill, Larry extends an invitation for Joe and Tiny to join him in his nightclub act in New York City.

In a narrative parallel reminiscent of the Cinderella archetype, Joe finds himself subjected to servitude under the guardianship of his aunt and two indolent cousins, Moe and Larry. During a camping excursion, Joe inadvertently captures a photograph of a paper plate carried aloft by a gust of wind, which is misconstrued as an image of an Unidentified Flying Object (UFO). Seizing the opportunity, Moe and Larry appropriate credit for the photograph and reap substantial financial gain, relegating Joe to the position of their subordinate.

The Stooges find themselves unemployed and faced with familial responsibility as their father requires surgery, prompting a need for financial support. In response, the father proposes a venture to search for uranium deposits on his mining property as a means to alleviate the financial strain. While exploring the property, the Stooges encounter perilous situations, including a precarious encounter with dynamite, complicating their efforts.

Larry exhibits promiscuous behavior, engaging in an extramarital affair with Moe's spouse, Belle, while simultaneously displaying romantic interest in Joe's betrothed, Millie. Upon discovering Larry's deceitful conduct, Moe confronts him at his place of employment, a pet shop, expressing his displeasure before Larry manages to placate him. Sensing the need to deflect blame, Larry orchestrates a scheme implicating Joe as the perpetrator.

The Stooges, renowned vaudeville performers, embark on a journey to Mexico to present their comedic burlesque rendition of a bullfight. In this farcical spectacle, Joe assumes the role of the intrepid matador, while Moe and Larry don a bull costume, embodying the role of the formidable bovine adversary. However, upon their arrival, they are confronted with the disheartening news of their performance cancellation, purportedly due to their refusal to comply with the manager's demand for additional unpaid shows. Stranded in a foreign land without financial means to return home, the trio faces a precarious predicament.