Watch Bellator 73 Full Movie Free Online 123Movies. Bellator LXXIII was a mixed martial arts event held by Bellator Fighting Championships. The event took place on August 24, 2012 at Harrah's Tunica Hotel and Casino in Tunica, Mississippi. The card was part of Bellator's annual Summer Series and featured the final round fights in the Summer Series Tournament. The event was distributed live in prime time by MTV2.