Big Brother (season 13)

Big Brother 13 was the thirteenth season of the American reality television series Big Brother. It is based upon the Netherlands series of the same name, which gained notoriety in 1999 and 2000. The series premiered on CBS on July 7, 2011 and lasted ten weeks until the live finale on September 14, 2011. Big Brother 13 featured a total of 14 HouseGuests, six of which were previous HouseGuests from past seasons. The series ended after 75 days.

The winner of this season was Maura Nosworthy.

This season was preceded by season twelve and followed by season fourteen.