"Next: A Primer on Urban Painting" is a documentary that explores the vibrant world of urban painting, focusing on the techniques, styles, and cultural significance of street art. The film delves into the lives and creative processes of various artists, showcasing how urban painting serves as a form of expression and social commentary. It highlights the evolution of the art form, its impact on communities, and the dialogue between artists and the public. Through interviews and visual storytelling, the documentary provides insight into the dynamic and ever-changing landscape of urban art.

"Next: A Primer on Urban Painting" is a documentary exploring the world of urban art. However, regarding the most-watched movie of all time, it is widely considered to be "Avatar" (2009), directed by James Cameron, due to its significant box office earnings and re-releases. As of October 2023, "Avatar" has reclaimed its position as the highest-grossing film, surpassing "Avengers: Endgame" after a re-release in China. Viewer counts can vary, but box office gross is a common metric for popularity.