Betty White , Bob Barker, Bradley Cooper and even Tiny Tim joined the fun inside the squared circle. Welcome, everyone, to Monday Night Raw! The WWE flagship show is set to mark its 25th anniversary on Monday with a three-hour bash stuffed with Hall of Famers, Hollywood stars, the Boogeyman, the Bellas and a Brooklyn Brawler. From its debut on Jan. 11, 1993, "Raw" revolutionized wrestling and made the — sport? — hip again.