High-flying comedy duo Cheech Marin and Tommy Chong reunite for their long-anticipated Light Up America tour, stopping off in San Antonio, Texas, to entertain an enthusiastic bunch of stoners at the city's Majestic Theatre. The weed-worshipping pair frequently interrupts their San Antonio stand-up antics to bring you classic bits from the 1970s and '80s, plus new sketches featuring Chong's wife, Shelby.