Snowball Effect: The Story of Clerks (2004) is a Documentary film that follows a feature-length documentary about the making of Kevin Smith's "Clerks" and the commercial success that followed. Snowball Effect: The Story of Clerks is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 8.1 out of 10 from 20 votes. Fans of documentary movies may also want to explore similar titles below.