As the 2016 Summer Olympics continue in Rio de Janeiro, here's everything you need to know for Day 4 in Brazil.
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HOW TO WATCH: All times Eastern.
NBC: 10:00 a.m. - 5:00 p.m., 8:00 p.m. - midnight.
NBC Sports Network: 7:30 a.m. - midnight.
Various times across other networks.