Gas Gang Chloroform, Carbon Monoxide, and Carbon Dioxide. Whereas the Metal Men were approximately the same size as Doctor Magnus, the Gas Gang were anywhere from one-third to twice his size. On Chloroform's initial attack, it caused the Metal Men to break out in fits of hysteria ala Nitrous Oxide (Laughing Gas) which Doc Magnus said was chloroform's initial effect. Before Lead could wall them off, Mercury literally "broke up laughing", opening Oxygen to attack and causing the Metal Men to begin to rust. During the chase Carbon Monoxide (called "CM" by Carbon Dioxide) attempted to poison them with fumes, while Carbon
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