In fine 4/20 style, Cypress Hill, Slightly Stoopid, and Tribal Seeds come to you live from Red Rocks Amplitheater in Colorado. The 420 Hotbox is the name, and it celebrates the legalization of Marijuana in the state. Sounds like fun! Watch it full screen for primo views. Starts approximately 9:30pm ET, 5:30pm PT, 12:30am GMT.