DISCOVERY | 8:00 pm

In the fight capital of the world, a new tournament kicks off for robotic combat's hottest trophy in the new episode "Champions: Let the Slugfest Begin." The robots must face the toughest battle ever seen in Vegas: the Sin City Slugfest, starring Gigabyte. If there is no knockout during the battle, a panel of judges declare the winner. The series highlights the design and build of each robot, bot-builder backstories and the pursuit of the BattleBots championship. Chris Rose and Kenny Florian host.