US robot combat series. The BattleBots VII World Championship gets under way with the best combat robots in the world competing for the ultimate prize of the Giant Nut - gunning for a shot at the title are killer Kiwis End Game, the electric HyperShock, the vicious Riptide, undefeated Huge, fan favourites Witch Doctor and many more. This edition sees the first eight robots fight to the death - winners progress to the Round of 16 while the losers go home.