Defending the Caveman at the D Las Vegas. Don’t miss Rob Becker’s sidesplitting comedy about the battle of the sexes, Defending the Caveman, at the D Las Vegas. Hailed by critiques and fans as a tour de force, this updated version of Caveman takes a hilarious anthropological look on the gender differences that will have you and your date laughing and nudging each other throughout the entire show. Spend the evening seeing one of America’s most famous live shows, as you catch a hilarious glimpse of what’s so funny about contemporary relationships. Book Now and Save 38% Off Defending the Caveman at the D Las Vegas.