Looks like the show runs for two hours. From the ESPN announcement (linkable from the Awful Announcing link below):
Highlights of the All ACC Launch Night Special:
Special guests: ACC Commissioner John Swofford, Clemson head football coach Dabo Swinney, Duke basketball head coach Mike Krzyzewski, Heisman Trophy winner and former Florida State quarterback Charlie Ward, two-time FIFA Women’s World Cup champion and former North Carolina women’s soccer great Kristine Lilly, Notre Dame women’s basketball head coach Muffet McGraw, former Clemson quarterback Deshaun Watson and many more