200 Best Free Movies in the Public Domain on YouTube
August 14, 2023
There are hundreds of classic movies in the public domain that are no longer protected by copyright and are free to watch. Over the years, many of these free movies have made their way onto YouTube. At FreeGreatMovies.com, I've tried to select the best public domain movies to feature on the site, including public domain movies that are popular and critically well-regarded. Since these movies can be legally uploaded to YouTube by anyone, there are usually multiple copies of any given public domain movie available there. I've gone to great lengths to try to feature and link to the best quality transfer of these movies. Thankfully, now many of them are available in HD and will look good whether you're watching them on your phone or on your big-screen TV.
Currently, I feature about 350 public domain movies on the site, ranging from the 1960s all the way back to the silent era. The movies from the 1930s through the 1960s that are in the public domain are generally movies that failed to renew their copyright. And currently, in the United States, all films released before 1928 are in the public domain, which now includes most silent classics and even the first sound feature film The Jazz Singer (1927). In this blog post, I'll highlight 200 of the best movies in the public domain that are free to watch on YouTube. I'll link to the movies on our site, which has the highest quality version embedded from YouTube. From sci-fi to horror to film noir to Westerns to screwball comedies to silent classics, you'll find a lot here. Enjoy a classic free great movie from the public domain tonight!
I'll list these from the latest year to the oldest, and I'll include a brief description of the movie to spark your interest. So here are 200 of the best free movies in the public domain!
Night of the Living Dead (1968) - A true gem of the public domain is the all-time great modern zombie film directed by George A. Romero. It spawned an entire sub-genre of horror.
Santa Claus Conquers the Martians (1964) - Campy Christmas fun with what is considered one of the worst movies of all time.
The Last Man on Earth (1964) - Post-apocalyptic horror movie starring Vincent Price. Based on Richard Matheson's 1954 novel I Am Legend.
Charade (1963) - Stanley Donen directs Cary Grant and Audrey Hepburn in this light-hearted Hitchcockian mystery.
Dementia 13 (1963) - Francis Ford Coppola's feature film debut, produced by Roger Corman. Interesting to see where Coppola started out in this independent horror movie.
McLintock! (1963) - John Wayne and Maureen O'Hara star in this Western comedy that was a box office success.
The Sadist (1963) - Exploitation film about a murderous couple that bears resemblance to the later film Badlands (1973).
The Terror (1963) - Roger Corman produced and directed this film starring Boris Karloff and a young Jack Nicholson.
Carnival of Souls (1962) - Atmospheric horror film shot on a shoestring budget. It has become a cult classic.
The Brain That Wouldn't Die (1962) - Crazed doctor keeps his fiancee's severed head alive for days!
This Is Not a Test (1962) - Low-budget Cold War film about the outbreak of nuclear war.
Five Minutes to Live (1961) - Crime film starring country singer Johnny Cash as he and some fellows try to rob a bank.
One-Eyed Jacks (1961) - Solid Western directed by and starring Marlon Brando, along with Karl Malden.
The Deadly Companions (1961) - Sam Peckinpah's first feature film he directed stars Maureen O'Hara, Brian Keith, Steve Cochran, and Chill Wills.
Last Woman on Earth (1960) - Sci-fi film directed by Roger Corman and written by Robert Towne about three survivors of an apocalypse.
The Little Shop of Horrors (1960) - A horror comedy directed by Roger Corman about a plant that feeds on human blood. Became the basis for a musical and a successful 1986 film.
A Bucket of Blood (1959) - Another horror comedy directed by Roger Corman. This time with Dick Miller as a serial killer who covers his victims with clay and is considered a sculpting genius.
House on Haunted Hill (1959) - Classic haunted house movie directed by William Castle that is both campy and creepy.
The Bat (1959) - Vincent Price and Agnes Moorehead star in this adaptation of the 1908 mystery novel The Circular Staircase by Mary Roberts Rinehart.
The Great St. Louis Bank Robbery (1959) - Heist film starring a young Steve McQueen as a getaway driver in a bank robbery attempt.
The Wasp Woman (1959) - Susan Cabot is the Wasp Woman in this Roger Corman-directed sci-fi flick.
God's Little Acre (1958) - Anthony Mann directed this adaptation of Erskine Caldwell's 1933 novel about a dysfunctional farming family in Georgia. It was controversial at the time.
I Bury the Living (1958) - Cemetery overseer starts marking people for death in this horror film.
Rock, Rock, Rock! (1956) - Rock 'n roll jukebox musical featuring performances by Chuck Berry and other early rockers.
Dementia (1955) - Experimental horror film about a young woman wandering through Los Angeles's skid row.
The Big Combo (1955) - Classic film noir featuring wonderful black-and-white cinematography by John Alton.
The Man with the Golden Arm (1955) - Frank Sinatra plays a junkie fresh out of prison in Otto Preminger's film noir with a great score by Elmer Bernstein.
Salt of the Earth (1954) - Neorealist drama about a miners' strike. All the filmmakers had been blacklisted.
Suddenly (1954) - Sterling Hayden has to stop an assassination of the President when Frank Sinatra and his henchmen come to a small town.
The Last Time I Saw Paris (1954) - Richard Brooks directed this romance film starring Elizabeth Taylor and Van Johnson.
Beat the Devil (1953) - John Huston directed this adventure comedy, starring Humphrey Bogart, Jennifer Jones, and Gina Lollobrigida.
Fear and Desire (1953) - Stanley Kubrick's directorial debut set during a war with a crew of 15 people. Nearly lost, but now can be found on YouTube!
Glen or Glenda (1953) - Ed Wood's docudrama about cross-dressing and transvestism.
The Hitch-hiker (1953) - Ida Lupino's taut thriller about two friends who get held hostage by a hitchhiker.
Jack and the Beanstalk (1952) - Abbott and Costello star in this comic fairy tale for the whole family!
Kansas City Confidential (1952) - Ex-con goes straight and tries to take down a criminal group planning a robbery. Served as inspiration for Quentin Tarantino's Reservoir Dogs (1992).
Road to Bali (1952) - Bing Crosby and Bob Hope Road to... picture featuring many song and dance numbers.
The Big Trees (1952) - Kirk Douglas plays a greedy lumberman who wants to cut down the redwoods of California in this lumberjack Western.
The Snows of Kilimanjaro (1952) - Gregory Peck, Susan Hayward, and Ava Gardner star in this adaptation of Ernest Hemingway's short story.
Cause for Alarm! (1951) - Loretta Young stars in this chilling suspense film.
Father's Little Dividend (1951) - Vincente Minnelli directed this sequel to Father of the Bride (1950), starring Spencer Tracy, Joan Bennett, and Elizabeth Taylor.
Go for Broke! (1951) - World War II film starring Van Johnson.
Royal Wedding (1951) - Technicolor MGM musical directed by Stanley Donen, and starring Fred Astaire and Jane Powell.
Utopia (1951) - Laurel and Hardy's final film, also known as Atoll K.
Vengeance Valley (1951) - Technicolor Western starring Burt Lancaster as a Colorado cattleman.
At War With the Army (1950) - World War II musical comedy starring Dean Martin and Jerry Lewis.
Borderline (1950) - Fred MacMurray stars in another film noir this time with Claire Trevor.
Cyrano de Bergerac (1950) - Jose Ferrer is Cyrano de Bergerac, which won him an Academy Award for Best Actor in this classic adaptation of the French play.
D.O.A. (1950) - Classic film noir starring Edmond O'Brien and Pamela Britton that has been remade several times.
The Jackie Robinson Story (1950) - Biopic starring Jackie Robinson as himself as he overcomes struggles to become the first African-American Major League Baseball player.
Three Came Home (1950) - Claudette Colbert stars in this movie based on a memoir about a woman's experiences during the 1942 Japanese invasion of North Borneo.
Woman on the Run (1950) - Film noir starring Ann Sheridan and Dennis O'Keefe set in San Francisco.
Africa Screams (1949) - Abbott and Costello parody of safari movies.
Reign of Terror (1949) - Anthony Mann directed this thriller set during the French Revolution, as a group schemes to end Robespierre's Reign of Terror.
The Inspector General (1949) - Danny Kaye stars in this Technicolor musical comedy.
Too Late for Tears (1949) - Femme fatale Lizabeth Scott finds a suitcase with $60,000 in it and will murder anyone who tries to take it from her!
Trapped! (1949) - Richard Fleischer directed this film noir starring Lloyd Bridges, Barbara Payton, and John Hoyt about counterfeiting money.
He Walked by Night (1948) - Film noir shot as a semidocumentary based on a real life crime spree in Los Angeles.
Hollow Triumph (1948) - Film noir starring Paul Henreid, Joan Bennett, and Leslie Brooks.
My Dear Secretary (1948) - Romantic comedy starring Laraine Day and Kirk Douglas.
The Amazing Mr. X (1948) - A spiritualist scam artist takes control in this film noir shot by cinematographer John Alton.
The Quiet One (1948) - Documentary about a disturbed 10-year-old African-American boy in Harlem. It features commentary written by James Agee, and was nominated for Best Documentary.
Angel and the Badman (1947) - John Wayne is nursed back to health by Quaker woman Gail Russell, who tries to change his violent ways.
Boy! What a Girl! (1947) - Race film featuring the Brown Dots, Slam Stewart, Sid Catlett, and Gene Krupa.
Dishonored Lady (1947) - Film noir starring Hedy Lamarr as a stressed-out fashion magazine editor who disappears and looks to make a new life with a new name.
Life with Father (1947) - Michael Curtiz directed this comedic adaptation of a popular 1939 play starring William Powell, Irene Dunne, and Elizabeth Taylor.
My Favorite Brunette (1947) - Film noir parody starring Bob Hope and Dorothy Lamour.
Smash-Up, the Story of a Woman (1947) - Film noir about nightclub singer who becomes an alcoholic starring Susan Hayward and Lee Bowman.
The Perils of Pauline (1947) - Technicolor comedy starring Betty Hutton and John Lund that is a Hollywood satire of the silent film era.
The Red House (1947) - Psychological thriller starring Edward G. Robinson.
Angel on My Shoulder (1946) - Paul Muni, Anne Baxter, and Claude Rains in this movie about a deal between the Devil and a dead gangster.
Dirty Gertie from Harlem U.S.A. (1946) - Race film about a dancer from Harlem that stirs things up in the Caribbean. Francine Everett plays Gertie.
Dressed to Kill (1946) - Final mystery film with Basil Rathbone as Sherlock Holmes and Nigel Bruce as Doctor Watson.
Jivin' in Be-Bop (1946) - Musical film featuring Dizzy Gillespie and His Orchestra.
The Chase (1946) - Film noir starring Robert Cummings as a World War II veteran who gets mixed up with the mob.
The Strange Love Of Martha Ivers (1946) - Classic film noir starring Barbara Stanwyck, Van Heflin, Lizabeth Scott, and Kirk Douglas. Lewis Milestone directed this Academy Award-nominated film.
The Strange Woman (1946) - Hedy Lamarr stars in this early 19th century historical melodrama directed by Edgar G. Ulmer.
The Stranger (1946) - Classic film noir directed by and starring Orson Welles. Investigator Edward G. Robinson is convinced that Welles is a Nazi fugitive living in a small town in Connecticut.
Till the Clouds Roll By (1946) - MGM Technicolor musical biopic of composer Jerome Kern, portrayed by Robert Walker.
And Then There Were None (1945) - Rene Clair directed this film adaptation of Agatha Christie's 1939 mystery novel starring Barry Fitzgerald, Walter Huston, and Louis Hayward.
Blood on the Sun (1945) - War film starring James Cagney and Sylvia Sidney.
Captain Kidd (1945) - High seas adventure film starring Charles Laughton, Randolph Scott, and Barbara Britton.
Detour (1945) - Classic film noir directed by Edgar G. Ulmer and starring Tom Neal and Ann Savage.
Scarlet Street (1945) - Fritz Lang directed this dark film noir starring a pathetic Edward G. Robinson and a nasty femme fatale played by Joan Bennett.
The Great Flamarion (1945) - Anthony Mann directs this film noir starring Erich von Stroheim and Mary Beth Hughes.
The Southerner (1945) - French director Jean Renoir directed this drama set in Texas.
The Woman in Green (1945) - Basil Rathbone is Sherlock Holmes and Nigel Bruce is Dr. Watson!
Bluebeard (1944) - John Carradine stars as the murderous nobleman in this film noir.
Gung Ho! (1943) - War film starring Randolph Scott set in the Pacific.
Hi Diddle Diddle (1943) - Rapid fire comedy starring Adolphe Menjou, Martha Scott, Dennis O'Keefe, June Havoc, Billie Burke, and Pola Negri.
Lady of Burlesque (1943) - Barbara Stanwyck plays a strip tease queen. Also known as The G-String Murders!
Stage Door Canteen (1943) - World War II musical drama set at the famed New York City restaurant and nightclub that served servicemen.
The Outlaw (1943) - Howard Hughes directs Jane Russell in this psychological Western.
This Is the Army (1943) - Michael Curtiz directs this wartime musical comedy designed to boost morale with an ensemble cast.
Jungle Book (1942) - Zoltan Korda directed this adaptation of Rudyard Kipling's 1894 book starring Sabu as Mowgli.
Meet John Doe (1941) - Newspaper columnist Barbara Stanwyck hires homeless Gary Cooper to play John Doe for her fictional column that causes a stir. Directed by Frank Capra!
Penny Serenade (1941) - Irene Dunne and Cary Grant star as a married couple that work hard to stay together in this melodrama.
Pot o' Gold (1941) - Jimmy Stewart and Paulette Goddard star in this romantic musical comedy.
The Blood of Jesus (1941) - Dramatic race film about a Baptist woman who is accidentally shot by her atheist husband and sent to face off against Satan.
The Forgotten Village (1941) - Documentary film written by John Steinbeck and narrated by Burgess Meredith, about traditional life in a Mexican village.
Topper Returns (1941) - Another entry in the supernatural comedy Topper series starring Joan Blondell and Roland Young.
His Girl Friday (1940) - Absolute classic screwball comedy directed by Howard Hawks and starring Cary Grant and Rosalind Russell. A must see!
Our Town (1940) - Adaptation of the 1938 play by Thornton Wilder, stars William Holden and Martha Scott.
Santa Fe Trail (1940) - The prolific Michael Curtiz directed this Western starring Errol Flynn and Olivia de Havilland.
Second Chorus (1940) - Musical comedy starring Paulette Goddard and Fred Astaire.
Son of Ingagi (1940) - The first science fiction horror film to feature an all-black cast.
The Ape (1940) - Boris Karloff disguises himself as an ape to get spinal fluid. Sounds interesting.
The Devil Bat (1940) - Bela Lugosi stars in this horror movie.
Gulliver's Travels (1939) - A few years after Disney put out Snow White, Fleischer Studios released this classic early animated feature film based on Jonathan Swift's 1726 novel.
Love Affair (1939) - Charles Boyer and Irene Dunne star in this award-nominated romance.
Made for Each Other (1939) - Carole Lombard and James Stewart get married after only knowing each other for one day!
The Flying Deuces (1939) - Laurel and Hardy buddy comedy.
The Little Princess (1939) - Shirley Temple movie in Technicolor that was her last major film as a child star.
They Made Me a Criminal (1939) - Crime film directed by Busby Berkeley and starring John Garfield, Claude Rains, and The Dead End Kids.
Algiers (1938) - Drama starring Charles Boyer, Sigrid Gurie, and Hedy Lamarr, earned many Oscar nominations.
Wives Under Suspicion (1938) - Crime film directed by James Whale about an attorney who suspects his wife is having an affair.
A Star Is Born (1937) - A classic Hollywood drama directed by William A. Wellman and starring Janet Gaynor and Fredric March. Successfully remade in 1954, 1976, and 2018.
Elephant Boy (1937) - Directors Robert J. Flaherty and Zoltan Korda collaborated on this film shot in London and Mysore, India.
Nothing Sacred (1937) - Classic screwball comedy starring Carole Lombard and Fredric March.
Oh, Mr. Porter! (1937) - British comedy starring Will Hay as William Porter.
Something to Sing About (1937) - James Cagney stars in this musical showcasing his singing and dancing talents.
Captain January (1936) - Shirley Temple musical comedy for the whole family.
Little Lord Fauntleroy (1936) - Adaptation of Frances Hodgson Burnett's 1886 novel starring Freddie Bartholomew, Dolores Costello, and C. Aubrey Smith.
My Man Godfrey (1936) - Screwball comedy starring William Powell and Carole Lombard.
Reefer Madness (1936) - Good people don't smoke marijuana!
Becky Sharp (1935) - Technicolor historical drama set in after Napoleonic Wars starring Miriam Hopkins, who was nominated for the Best Actress Oscar.
Murder in Harlem (1935) - Race film directed by Oscar Micheaux.
Babes in Toyland (1934) - Laurel and Hardy musical Christmas film.
Judge Priest (1934) - Comedy film directed by John Ford and starring Will Rogers.
Of Human Bondage (1934) - The film that made Bette Davis a star! Based on the 1915 novel by W. Somerset Maugham.
The Scarlet Letter (1934) - One of many adaptations of the 1850 novel by Nathaniel Hawthorne. Colleen Moore plays Hester Prynne.
The Emperor Jones (1933) - Film adaptation of Eugene O'Neill's 1920 play starring Paul Robeson as Brutus Jones.
The Kennel Murder Case (1933) - Michael Curtiz directed this mystery film starring William Powell and Mary Astor.
A Farewell to Arms (1932) - Frank Borzage directs this adaptation of Ernest Hemingway's 1929 novel. Starring Helen Hayes, Gary Cooper, and Adolphe Menjou.
Bird of Paradise (1932) - King Vidor directed this adventure romance starring Dolores del Rio and Joel McCrea.
Rain (1932) - Joan Crawford plays prostitute Sadie Thompson in this pre-Code drama directed by Lewis Milestone set in the South Seas.
Speak Easily (1932) - Buster Keaton speaks! Along with Jimmy Durante and Thelma Todd in this pre-Code comedy film.
The Most Dangerous Game (1932) - Pre-Code horror movie about hunting humans starring Joel McCrea, Fay Wray, and Leslie Banks.
White Zombie (1932) - Horror movie starring Bela Lugosi as the zombie master "Murder" Legendre. Considered the first feature-length zombie film.
Millie (1931) - Helen Twelvetrees is Millie whose life begins to crumble when she finds out her husband is having an affair.
The Front Page (1931) - Lewis Milestone directs Adolphe Menjou, Pat O'Brien, and Mary Brian in this pre-Code screwball comedy. Later reworked as His Girl Friday (1940).
The Royal Bed (1931) - Mary Astor and Anthony Bushell star in this pre-Code satirical comedy about royalty.
Abraham Lincoln (1930) - D.W. Griffith directs Walter Huston as Lincoln in this sound film.
Steamboat Bill Jr. (1928) - Classic silent Buster Keaton comedy set on a steamer!
7th Heaven (1927) - Frank Borzage directs Janet Gaynor and Charles Farrell in this silent romantic drama. Director Frank Borzage won the first Academy Award for Best Director, and Janet Gaynor won Best Actress.
College (1927) - Classic silent Buster Keaton comedy set on a college campus!
Downhill (1927) - Early silent Alfred Hitchcock drama starring Ivor Novello, Robin Irvine and Isabel Jeans.
It (1927) - Silent movie starring Clara Bow who became the "it girl"!
Sunrise (1927) - Classic silent romance directed by F.W. Murnau and starring George O'Brien and Janet Gaynor. It won many Oscars at the 1st Academy Awards and is considered a masterpiece.
The Jazz Singer (1927) - The first feature-length motion picture with both synchronized recorded music and lip-synchronous singing and speech. Starring Al Jolson. "Wait a minute, wait a minute, you ain't heard nothin' yet!"
The Kid Brother (1927) - Harold Lloyd silent comedy considered to be one of his best.
The King of Kings (1927) - Silent epic directed by Cecil B. DeMille about the last weeks of Jesus.
The Lodger: A Story of the London Fog (1927) - Hitchcock's first thriller about a serial killer in London.
The Ring (1927) - Silent romance directed by Alfred Hitchcock.
The Unknown (1927) - Silent horror film directed by Tod Browning, and starring Lon Chaney as a carnival knife thrower.
Uncle Tom's Cabin (1927) - Silent adaptation of the 1852 novel Uncle Tom's Cabin by Harriet Beecher Stowe.
Underworld (1927) - Silent crime film directed by Josef von Sternberg.
Battling Butler (1926) - Classic silent Buster Keaton comedy!
For Heaven's Sake (1926) - Classic silent Harold Lloyd comedy!
The Black Pirate (1926) - Silent adventure film starring the swashbuckling Douglas Fairbanks.
The General (1926) - All-time classic silent Buster Keaton comedy set on a locomotive! Truly a must-see!
Body and Soul (1925) - Race film directed by Oscar Micheaux and starring Paul Robeson in his motion picture debut.
Go West (1925) - Classic silent Buster Keaton comedy about him traveling west to try to make his fortune!
Little Annie Rooney (1925) - Silent comedy starring Mary Pickford playing an Irish girl living in the slums of New York City.
Seven Chances (1925) - Another classic silent Buster Keaton comedy!
The Freshman (1925) - Another classic silent Harold Lloyd comedy as he tries to join the college football team.
The Gold Rush (1925) - Classic silent Charlie Chaplin film playing the Little Tramp during the California Gold Rush.
The Lost World (1925) - Silent adventure film featuring pioneering stop motion special effects.
The Phantom of the Opera (1925) - Silent horror movie starring Lon Chaney as The Phantom.
Sherlock Jr. (1924) - Another classic silent Buster Keaton comedy! This one is also a must-see!
The Great White Silence (1924) - Silent documentary with footage from an expedition to Antarctica.
The Iron Horse (1924) - Silent Western film directed by John Ford in his first major movie.
The Marriage Circle (1924) - Silent comedy directed by Ernst Lubitsch.
The Navigator (1924) - Another classic silent Buster Keaton comedy! On a boat!
The Thief of Bagdad (1924) - Silent swashbuckler film directed by Raoul Walsh and starring Douglas Fairbanks.
Our Hospitality (1923) - Another classic silent Buster Keaton comedy!
Safety Last! (1923) - Another classic silent Harold Lloyd comedy! Considered to be one of his best.
The Extra Girl (1923) - Mabel Normand plays a small town girl who travels to Hollywood to become a star!
The Hunchback of Notre Dame (1923) - Lon Chaney as Quasimodo in this silent dramatic adaptation of Victor Hugo's 1831 novel.
The Ten Commandments (1923) - Cecil B. DeMille's 1923 American silent religious epic. He would go on to make an even more epic version in 1956.
Three Ages (1923) - Another classic silent Buster Keaton comedy! This time, a parody of D.W. Griffith's 1916 film Intolerance.
Blood and Sand (1922) - Silent film star Rudolph Valentino plays a matador.
Foolish Wives (1922) - The first million-dollar movie written and directed by Erich von Stroheim.
Nanook of the North (1922) - Robert J. Flaherty's documentary in the Canadian Arctic was the first feature-length documentary to achieve commercial success.
Robin Hood (1922) - Douglas Fairbanks plays the ultimate swashbuckler in this silent adventure film.
The Four Horsemen of the Apocalypse (1921) - Silent epic anti-war film based on the 1916 novel about the First World War.
The Kid (1921) - Silent comedy directed by and starring Charlie Chaplin, and featuring Jackie Coogan as his adopted son.
The Sheik (1921) - Silent romance starring Rudolph Valentino and Agnes Ayres.
Dr. Jekyll and Mr. Hyde (1920) - John Barrymore plays both Dr. Jekyll and Mr. Hyde.
The Last of the Mohicans (1920) - Silent adventure film based on James Fenimore Cooper's 1826 novel.
The Mark of Zorro (1920) - Douglas Fairbanks is swashbuckling again as Zorro!
Way Down East (1920) - Silent romantic drama directed by D. W. Griffith and starring Lillian Gish.
Within Our Gates (1920) - Silent race film directed by Oscar Micheaux that portrays the contemporary racial situation in the United States. It is the oldest known surviving film made by an African-American director.
Blind Husbands (1919) - Drama film written and directed by Erich von Stroheim.
Broken Blossoms (1919) - Silent drama directed by D. W. Griffith and starring Lillian Gish, Richard Barthelmess, and Donald Crisp.
Deliverance (1919) - Silent film which tells the story of the life of Helen Keller and her teacher, Annie Sullivan.
The Poor Little Rich Girl (1917) - Mary Pickford plays the lead in this silent film directed by Maurice Tourneur.
Intolerance (1916) - Epic silent film directed by D. W. Griffith. The movie runs over three hours, intercutting four storylines from throughout human history.
The Birth of a Nation (1915) - Silent epic drama directed by D. W. Griffith and starring Lillian Gish. Lauded for its technical virtuosity and derided for being racist.
The Italian (1915) - Silent film depicting an Italian gondolier who comes to the United States to make his fortune.
Judith of Bethulia (1914) - Silent film directed by D.W. Griffith, and starring Blanche Sweet as Judith.
Tillie's Punctured Romance (1914) - Silent comedy film directed by Mack Sennett and starring Marie Dressler, Mabel Normand, Charlie Chaplin, and the Keystone Kops. The picture is the first feature-length comedy!
The Great Train Robbery (1903) - Short silent film by Edwin S. Porter about a gang of outlaws who hold up and rob a steam locomotive at a station in the American West. A must-see 12-minute film with an iconic last shot.
So many free public domain movies to choose from! So little time! Enjoy!