Watch WCW Clash of The Champions XI: Coastal Crush (1990) : Full Movie Online Free Clash of the Champions XI took place on June 13, 1990 in Charleston, South Carolina. There were 4100 fans in attendance at the McAlister Field House on the campus of The Citadel and the show drew a 4.1 rating on TBS. This was the build up show for The Great American Bash.