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
Leave 'Em Laughing to get his tooth pulled. The dentist leaves and Ollie demonstrates how Stan should sit and not be afraid. Meanwhile, the dentist tells one of his partners that he should go to the guy who is sitting in the chair and pull his tooth out. He ended up pulling Ollie's tooth. When Stan is back in the chair, he knocks over a gas cartridge which makes everyone laugh. Stan and Ollie leave the office and go to their car, still laughing their heads off from the gas. "Leave 'Em Laughing" was remade by The Three Stooges in 1943, as ""I