Laughing Gas
A woman goes to the dentist for a toothache and is given gas. On her way home on the subway she can't stop laughing, and every other passenger catches the laughter from her.
- Year: 1907
- Country: United States of America
- Genre: Comedy
- Studio: Edison Studios
- Keyword: laughing gas, silent film
- Director: Edwin S. Porter, J. Searle Dawley
- Cast: Bertha Regustus, Edward Boulden, Mr. Sullivan, Mr. La Montte