Laughing Gas (1914 film) squabbling. The dentist arrives, and his first patient goes in, obviously in pain. The dentist prepares the nitrous oxide anaesthesic (also known commonly as "laughing gas" due to its effects prior to and after unconsciousness). With the man unconscious he pulls his tooth, but then he can't get him to wake up. He calls for Charlie and when he arrives the dentist runs off. Charlie tries to wake him and eventually tries hitting his head with a mallet. The man revives but starts laughing. Charlie knocks him out with the mallet. The dentist then returns and Charlie is sent to
Laughing Gravy while a voice actress just off-camera spoke into a "hot" mic. Laughing Gravy Laughing Gravy is a 1930 short film comedy starring Laurel and Hardy. It was directed by James W. Horne, produced by Hal Roach and distributed by Metro-Goldwyn-Mayer. (The eponymous dog's name is a sly reference to liquor - Prohibition was still in force in the USA at the time the film was made.) On a snowy winter's night, Laurel and Hardy try to keep their pet dog 'Laughing Gravy' hidden from their landlord, mostly without success. The landlord eventually orders them to leave, but fate takes a