NBCUniversal Inc. August 13, 2019 4:06 am ‘Tonight': '80s Aerobics Dance Challenge With Kate Upton Kate Upton and Jimmy Fallon challenge themselves to match dance moves from old 1980s-era workout tapes. US & World Videos 1:40 Democrats say Big Oil misled public for decades about climate change 4:14 What to expect: Previewing the 2024 Met Gala 3:37 Learning about the Art Resource Collaborative for Kids 3:25 Mother's Day gift ideas with William James Gifts 1:35 Understanding the Biden administration's plans to reclassify marijuana