Watch Merrily We Roll Along: The Early Days of the Automobile

"Merrily We Roll Along: The Early Days of the Automobile" is an American documentary that is narrated by Groucho Marx. In it, he describes the development of the automobile and the modern road from 1900 to 1939. He describes how the "horseless carriage" replaced both streetcars and horses in American transportation. The documentary also includes old photographs, videos and historical reenactments.