Laughing Gas. Word Search Puzzle Solver. Laughing Gas word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Although only a dental assistant Charlie pretends to be the dentist. After receiving too much anesthesia a patient can't stop laughing so Charlie knocks him out with a club. This includes identifying and searching for words that are related to : Slim Summerville, Alice Howell, Josef Swickard, Fred Hibbard, Comedy, Helen Carruthers, Gene Marsh, Joseph Sutherland, Fritz Schade, Mack Swain, Charlie Chaplin .