Australia's Brainiest Housemate
- Episode aired Feb 26, 2006
Nine Australian Big Brother housemates put their knowledge, memory and strategy to the test to win a $20,000 donation for their nominated charity.Nine Australian Big Brother housemates put their knowledge, memory and strategy to the test to win a $20,000 donation for their nominated charity.Nine Australian Big Brother housemates put their knowledge, memory and strategy to the test to win a $20,000 donation for their nominated charity.