Big Brother (Australian TV series) season 6

The sixth season of the Australian reality television series, Big Brother, also known as Big Brother 2006, began on 23 April 2006, with housemates going into the house the day before, and finished on 31 July 2006; a duration of 101 days. In the auditions, which had been held in November and December 2005, producers asked for contestants who were "smart, strong, and looking for a fight".

The Launch was aired on the evening of 23 April 2006 (a 24-hour delay). Fifteen housemates initially entered the house on Day 0, with the addition of three Intruder housemates entering the Big Brother House in Week 4, another three Intruders in Week 9, and two replacement housemates entering in Week 12. On Day 100, Jamie was declared the winner of Big Brother 2006, with Camilla the runner-up. At the time it was the closest winning margin in any Australian series of the show, later beaten by Series 7 in 2007.

As in the previous season, the voice of Big Brother was provided by Nick Colquhoun, who continued to portray the character with a stricter and more authoritarian tone. Throughout the 2006 series, Big Brother frequently issued fines and penalties to housemates for rule breaches and maintained a firm disciplinary approach. On several occasions, housemates who broke the rules were also given specific punishments by Big Brother. This season proved to be highly controversial after two male housemates sexually harassed a female housemate, resulting in the pair’s ejection from the show. The incident sparked calls for the series to be investigated for possible breaches of broadcasting laws, and calls for the cancellation of the series by several commentators and politicians, including then Australian Prime Minister John Howard and opposition leader Kim Beazley.