Twitter to Host Final Four ‘Watch Parties’ With Live Analysis The social media site will also be hosting Watch Parties for the National Championship Game on Monday. Twitter describes them as a “live social-viewing experience,” comprised of analyst commentary, reactions and highlights. The Final Four Watch Parties will stream live on Twitter starting Saturday, March 31, at 6 p.m. ET to coincide with the first game of the evening — Michigan vs. Loyola Chicago. Following the first game of the night, two, No. 1 seeds battle as Kansas takes on Villanova. TBS is broadcasting Saturday’s semifinals and the April 2 National Championship.