WWE SmackDown Season 9 Episode 29 July 20, 2007 ( Air Date 2007-07-20 ) Genre Reality category. Overview "After Edge is forced to vacate the World Heavyweight Championship due to injury, a 20-Man Battle Royal is held to determine the new champion. The No. 1 Contender is also decided when Kane goes one-on-one with Batista. Matt Hardy takes to the ring to face off against Kenny Dykstra. All this and much more.".