"The Challenge: USA" Launches Its Second Season on CBS Thursday, Aug. 10.

MTV's hit reality global franchise THE CHALLENGE: USA returns to CBS for its second season with two episodes a week for its first three weeks - Thursdays (10:00-11:00 PM, ET/PT) and Sundays (9:00-10:00 PM, ET/PT). Beginning Thursday, Aug. 31, the show will air only on Thursdays (10:00-11:00 PM, ET/PT) through its season finale.