BIG BROTHER – The women of BIG BROTHER 13 – New season premieres Thursday, July 7, 2011 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured (L-R): Rachel, Jordan, Porsche, Cassi, Danielle, Kalia, and Shelly. BIG BROTHER airs three days weekly on Sunday, Wednesday and Thursdays from 8:00 – 9:00pm on CBS.  Photo: Cliff Lipson/CBS © CBS Broadcasting, Inc. All Rights Reserved.