Battle of the Sexes 2 is the 9th season of the MTV reality game show, The Challenge. The season is directly subsequent to The Inferno. Battle of the Sexes 2 is the first sequel season of The Challenge, representing the sequel to the show's 6th season, Battle of the Sexes. Battle of the Sexes 2 premiered on October 4, 2004, and concluded on January 31, 2005. The Challenge took place in Santa Fe, New Mexico. Before each challenge, every team would choose three leaders. If the team won, those leaders got to vote off anyone else; if the team lost, one of those leaders would be voted off. No life-shields were used during this season.