Plot

As two Housemates get close, others are forced to face their deepest fears. With a house divided, one big play changes the game.

This season revolved around 20 strangers living in a house together with no communication with the outside world. They were constantly filmed during their time in the house and were not permitted to communicate with those filming them. Unlike the earlier seasons, the format of the series was revamped to emphasise competition and game play - with Housemates now competing in competitions for power before voting each other out of the house. When only three Housemates remained, the Australian public would decide which finalist would win the $250,000 grand prize.

The morning after SooBong's eviction, Angela joins her fellow housemates in the morning yoga session, despite being uncoordinated.

Big Brother gives the housemates their first In-House Task when a life-size gingerbread house appears in the backyard. One by one, selected housemates must enter the "ginger-dread" house and be confronted by their biggest fears without pushing a panic button. Sarah, Danni, Angela, Sophie, Garth, Casey and Daniel are selected by Big Brother to participate in the task. The housemates pass the task and win a chocolate fountain, sweets, fruit and champagne.

After the task, Ian reveals to Angela that he misses his pets at home. The following morning Talia talks strategy and mentions how her friendship group expect to be together at the end. Angela is very uncomfortable with the house divide brought on by Talia's group, and discusses voting Talia out with Marissa. They discuss with several other housemates their plan for voting her out. Kieran overhears Dan and Talia saying they want to nominate him and tries to stop that happening.

At the Nominations Challenge, the housemates have to climb on "over-sized windchimes" suspended from the ceiling and stand on tiny footholds. At certain intervals, housemates must transition to a smaller foothold. The last housemate left on their "windchime" wins the power of nomination. Angela wins the challenge when Sophie bows out after more than 2 hours on the pole. Angela immediately nominates Daniel, Talia and Casey.

Daniel and Talia's group immediately call a meeting in the backyard and decide to evenly spread their votes. Marissa and Shane discuss voting Dan out. At the eviction, Talia and Angela argue about Talia threatening Angela over nominating her and Dan. The house evicts Talia with 11 votes, while Casey received 4 votes and Daniel gets 1 vote.