Houseguests Donny, Amber, Jocasta, Caleb, Brittany, Nicole and Derrick in the “Abraca-BOB-ra” Battle of the Block competition on BIG BROTHER Sunday, July 13 (8:00 — 9:00 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS 2014 CBS Broadcasting, Inc. All Rights Reserved