Fatty rescues Mabel twice: first, from the unwelcome attentions of a masher, then from a runaway observation balloon.

What is a mosquito's nature? A large man enters his flat; a mosquito in top hat with valise follows, entering through the window above door. The man goes to sleep; the mosquito lands next to him, opens the valise, and takes out a grinding wheel to sharpen his proboscis. Methodically, the mosquito gets one, two, then three drinks as the man tosses, slaps, turns, covers himself, and rubs the wounds. After a fourth drink, the mosquito is so full he can barely right himself. Still he has more. Bloated, he can only hover above the sleeping man's face. Suspense builds: can he launch? He's atop his victim's nose. He jettisons his valise. Will he now be light enough to escape?

When Pollyanna is orphaned, she is sent to live with her crotchety Aunt Polly. Pollyanna discovers that many of the people in her aunt's New England home town are as ill-tempered as her aunt. But Pollyanna's incurable optimism - exemplified by her "glad game," in which she looks for the bright side of every situation - bring a change to the staid old community.

Buster is thrown off a train near an amusement park. There he gets a job in a shooting gallery run by the Blinking Buzzards mob. Ordered to kill a businessman, he winds up protecting the man and his daughter by outfitting their home with trick devices.

Buster is a bank clerk. Overturned glue gets everything, mostly the money, stuck to everything else. When robbers show up he can't "stick 'em up" because his hands are stuck in his pockets. The robbers' hideout is a haunted house designed to scare off police.

Ojo and Unc Nunkie are out of food, so they decide to journey to the Emerald City where they will never starve. Along the way, they meet Mewel, a waif and stray (mule) who leads them to Dr. Pipt, who has been stirring the powder of life for nine years. Ojo adds plenty of brains to Margolotte's Patchwork servant before she is brought to life with the powder. When Scraps does come to life, she accidentally knocks the liquid of petrifaction upon Unc Nunkie, Margolotte, and Danx (daughter Jesseva's boyfriend). So all go on separate journeys to find the ingredients to the antidote. (Of course Jesseva has Danx shrunken to take with her, which causes trouble with Jinjur.) Of course, no one ever told Ojo that some of the ingredients were illegal to obtain...

A young couple attempts to elope, with the bride's irate father in hot pursuit. The train stops briefly and the young man dashes off to find a minister, but before he can get himself and the minister onto the train, it leaves, carrying his bride-to- be away. Now the young man, minister in tow, pursues his bride while her father and a horde of lawmen pursue them both.

Roscoe tries to dump his wife so he can enjoy the beach attractions. Buster arrives with Alice who is taken away from him by Al who loses her to Roscoe. Bathing beauties and Keystone Kops abound.

Winsor Z. McCay bets another cartoonist that he can animate a dinosaur. So he draws a big friendly herbivore called Gertie. Then he get into his own picture. Gertie walks through the picture, eats a tree, meets her creator, and takes him carefully on her back for a ride.

Coke Ennyday, the scientific detective, divides his own time in periods for "Sleep", "Eat", "Dope" and "Drink". In fact he's used to overcome every situation with drugs: consuming it to increase his energies or injecting it in his opponents to KO them. To help the police he discovers a contraband of opium (which he eagerly tastes) transported with "Leaping Fishes", and the blackmail of a mysterious man who wants to marry the "fish blower" girl. Will Coke be able to free the girl ?

Buster is playing golf with Sybil when he gets knocked out. An escaped prisoner changes clothes with him. Buster goes to prison and learns that he is to be hanged. He changes clothes with a guard just as prisoner Roberts attacks all the guards.

A young man can only get the woman he loves if he becomes famous and manages to get his picture in the newspapers. He determines to let nothing stand in the way of his doing exactly that, and in the process winds up getting involved with a gang of criminals and a locomotive chase.

The comfortable and amiable Daniel Boone Brown, a resident of New York's water front, becomes the victim of a mad scientist's psychological experiments. For days, Dr. Ulrich Metz messes up Daniel's life, bringing on failing health, restless sleep, a nervous and irritable disposition, tardiness for work, and superstitions that cause worry and fear. Several months into the ordeal, one of Metz's minions, hired as Daniel's livery, feeds him a midnight snack of spring onions, lobster, Welsh rarebit and mince pie. We see the contents of his stomach causing pain and distress; then he has vivid and surreal nightmares. Will Metz succeed in driving Daniel to suicide?

Buster's handmade boat, The Damfino, is finished and is, of course, too large to get through the basement door. When he drives off with it in tow, the side of his house, then the whole thing, collapses. At the harbor he rides the boat out only to have it sink beneath him. The rest is a series of adventures he and his family have with the restored boat.

Roscoe flirts with a girl in the park. Later he takes his wife and mother-in-law to the movies only to see his flirtation showing on the screen.

Charlie is in boot camp in the "awkward squad." Once in France he gets no letters from home. He finally gets a package containing limburger cheese which requires a gas mask and which he throws over into the German trench. He goes "over the top" and captures thirteen Germans ("I surrounded them"), then volunteers to wander through the German lines disguised as a tree trunk. With the help of a French girl he captures the Kaiser and the Crown Prince and is given a statue and victory parade in New York and then ... fellow soldiers wake him from his dream.

A single father struggling to make his comeback as a screenwriter falls in love with one of his students. Meanwhile his son, studying to become a chef, falls in love with his teacher. Love is great for creativity, but it comes with a price.

On a sailing trip, sweethearts Bobby and Gloria arrive in a very sinister-looking India, where an evil rajah attempts to force Gloria into his harem.

In a drugdstore Al and Roscoe are rivals for Alice. Roscoe slings melons and operates the gas pump. Buster delivers a wedding gown for Alice, begins modeling it, is mistaken for Alice and is kidnapped by Al.

When Mabel catches her husband flirting with their maid, it leads to a sharp dispute. As part of making up, the couple decide to take a walk to the park. Nearby, another married couple have just had a similar domestic squabble, and they too go to the park together. But at the park, both men find it difficult to avoid getting themselves into further trouble.

The opening scene, a dream sequence prior to the vaudeville routines which follow, is what makes this film famous. In it Keaton plays everyone in a theatre simultaneously (through multiple exposures). He is the band leader, all its members, the dancers on the stage and everyone in the audience.

The new school teacher fresh from the city struggles with her unruly bumpkin students, while she awaits the arrival of her fiancé.

A housewife tires of her husband's annoying behavior and returns to her mother. At first, the husband is quite pleased to have the house all to himself. But he quickly discovers that even the most basic domestic chores can be fraught with difficulty.

Leila porter comes to dislike her husband James, a glue king who is always eating onions and looking sloppy. But after she divorces him and marries two-timing playboy Schuyler Van Sutphen the now-reformed James looks pretty good.

Virtuous Mabel rejects the improper advances of a villainous cad. The furious villain and his henchmen then seize Mabel and chain her to a railroad track. Mabel's anxious boyfriend turns for help to the great Barney Oldfield, who jumps in his racing car and speeds to the rescue.

Dr. Holepoke, his wife, and his son are at the horse races when the doctor begins to flirt with another woman. Then the doctor and the other woman's boyfriend lose their money betting on the same horse, leaving both of the women very unhappy. While Dr. Holepoke thinks about how to get some new patients, the other man has a plan to recover some of his losses at the doctor's expense.

The beach front house, where Fatty and Mabel live, has been "launched" out to sea by the villains. When Fatty and Mabel arise, they find the beds floating in a sea of water.

Arthur and Martha are out walking when they see an aviator and his biplane. When the aviator offers to take them up, Martha excitedly accepts, but Arthur refuses to go along. Martha thoroughly enjoys her ride, but it makes Arthur angry and jealous. But Arthur soon has bigger problems to worry about.

At the Elk's Head Hotel bellhops torment the lobby, each other and guests. The elevator is powered by a stubborn horse. A sham robbery turns into a real one. And there is a chase on a runaway trolley.

An out-of-work swindler takes a job as a reporter. After witnessing a car go over cliff, he grabs a rival reporter's camera and races to the newspaper office to enter the photo as his own. His rival is delayed when he gets caught in a woman's bedroom by her jealous husband. The swindler follows the distribution of the paper containing his 'scoop' around town where he is once again chased by the rival reporter. Both end up on the cow-catcher of a streetcar.

Three young children set up a table, and on the table is placed a miniature stage. The stage curtain opens, a carpet appears, and then the carpet unrolls by itself. Two puppet figures then come out and begin to perform a series of routines.

Amarilly comes from a large family in a working-class neighborhood. She is happy with her family and her boyfriend Terry, a bartender in a cafe. But one day she meets Gordon, a sculptor who comes from a rich family, and she begins to be drawn into the world of the upper class.

A spoiled young rich girl is forced by misfortune to fight for survival in the slums and alleys, where she becomes involved with all manner of unpleasantness.

Evil oil barons have given the Indians one day to vacate their land. The Indian chief tells his braves to kill the first white man they see. Buster shows up chasing a butterfly. Later he keeps moving the stake to which he is tied and at which he is to be burned. He becomes one of the tribe and helps them with their fight.

When a large Irish woman falsely accuses Buster of breaking a window he is hauled before a Polish judge who speaks no English and assumes they are there to be married. She takes her new husband home to meet her four gorilla-like brothers.

A stationary camera looks on as two dapper gents play a game of chess. One drinks and smokes, and when he looks away, his opponent moves two pieces. A fight ensues, first with the squirting of a seltzer bottle, then with fisticuffs. The combatants wrestle each other to the floor and continue the fight out of the camera's view, hidden by the table. The waiter arrives to haul both of them out.

Charlie dreams he is in the stone age. There King Low-Brow rules a harem of wives. Charlie, in skins and a bowler, falls in love with the king's favorite wife, Sum-Babee. During a hunting trip the king is pushed over a cliff. Charlie proclaims himself king, but Ku-Ku discovers the real king alive. They return to find Charlie and Sum- Babee together.

Charlie meets a couple and agrees to care for the man's crippled uncle. After the couple breaks up the man's new girl drops some eggs which Charlie slips on while trying to control the wheelchair. Charlie sets up the uncle near another wheelchair on a jetty, from which he lifts a beggar's cup and "invalid" sign. These he places with the uncle, and money begins to roll in. Charlie takes the money and buys himself a drink. Returning, he gets to know the abandoned young woman. After pushing the uncle and his chair into the drink and battling the beggar and two policemen (one of whom arrests the uncle), Charlie beats up his rival and gets the girl.

Charlie gets into a fight at his regular bar and finally crawls out under the door. He then boards a streetcar and follows a beautiful lady in a taxi. He breaks into her home. Her husband comes finds him trying to seduce his wife.

Charlie has trouble with actors' luggage and conflicts over who gets the star's dressing room. There are further difficulties with frequent scene changes, wrong entries and a fireman's hose. At one point he juggles an athlete's supposed weights. The humor is still rough: he kicks an older assistant in the face and allows him to be run over by a truck.