ERA ONE, the Portola Theater’s opening in 1919: A slate of classic silent films: Charlie Chaplin’s war parody “Shoulder Arms” (1918), plus three shorts, Harold Lloyd’s “The Marathon” (1919) and Buster Keaton’s “One Week” (1920) and “Cops” (1922). “Shoulder Arms” played the Portola Theater in August 1927. Showtimes: 6:50 and 8:40 p.m.

Shoulder Arms (1918): Charlie is a boot camp private who has a dream of being a hero who goes on a daring mission behind enemy lines. Starring Edna Purviance, Charles Chaplin, Syd Chaplin

The Marathon (1919): Boy trying to impress girl, gets chased by her father and the police right into an ongoing marathon. Starring Harold Lloyd, Bebe Daniels, ‘Snub’ Pollard

One Week (1920): A newly wedded couple attempts to build a house with a prefabricated kit, unaware that a rival sabotaged the kit’s component numbering. Starring Buster Keaton, Sybil Seely, Joe Roberts

Cops (1922): A series of mishaps manages to make a young man get chased by a big city’s entire police force. Starring Buster Keaton, Edward F. Cline, Virginia Fox

Advance tickets are on sale online or at our box office.