The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night

The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night

The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night

The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night

The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night

The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night

The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night

The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night

The Challenge: USA’ Debut Boosts CBS Viewership; ‘Big Brother’ Wins Night