In his short documentary A Look Back: Dogtown and Z-Boys, Glen E. Friedman updates the lives of the legendary Z-Boys skateboard crew twenty years after the release of their groundbreaking film. Dogtown and Z-Boys found an audience outside of the traditional skateboard community. Tony Alva, Peggy Oki, Stacy Peralta and more from the OG Zephyr scene break down why it worked and what was missing.