本片是一部美国喜剧片，由查理·卓别林导演，由查理·卓别林/弗里茨·沙德/Alice Howell主演。
剧情简介：Charlie pretends to be a dentist though he is only his assistant. When a patient can't stop laughing from the anesthesia Charlie knocks him out with a club. He is sent to the drug store, gets in a fight with a man who (after a brick in the face) becomes another patient, and pulls the skirt off the dentist's wife (who is out walking). At one point Charlie pulls a tooth (the wrong one) using enormous pliers.
外文名：Laughing Gas
别名：笑气 / Laffing Gas
类型：喜剧 / 短片
地区：美国
导演：查理·卓别林
演员：查理·卓别林 / 弗里茨·沙德 / Alice Howell / Joseph Sutherland / 斯利姆·萨默维尔
