The launch of Big Brother Australia sees Gretel Killeen introduce the twelve housemates entering the house, as they bid farewell to their loved ones for the last time and settle into their new home for the next three months. Highlights are also shown of their first night and dinner.

Highlights from Day 2 in the Big Brother House. The housemates receive their first task and must decide on their first shopping list.

Highlights from Day 3 in the Big Brother house. The housemates continue to practice for the weekly task. Gemma has to leave the house temporarily. The housemates are tasked to build a barbecue.

Highlights from Day 4 in the Big Brother house. Big Brother conducts the final test to determine whether the housemates have passed their weekly task.

Gretel Killeen hosts a special episode as the housemates nominate who they want to face the public vote for eviction for the first time.

Christina and Pete are hotting up, and the boys dress in drag.

Tonight on Big Brother, tears from Blair on a night of surprises, and Sara-Marie earns the anger of the housemates.

Andy confesses a secret love in the house, and Ben bares his soul on his love life.

The threat of eviction brings Gordon and Andy together, while Sara-Marie confronts her greatest fear.

Uncut, revealed, unwrapped, laid bare, exposed to all the world like so many topless dominatrixes in the midday sun. This is Big Brother Uncut.

Andy casts a spell on Gordon, and judgement on the fire task.

During our weeknight shows, it's all about life on the inside - the ups, downs, loves and losses of our fabulous, occasionally frustrating, frisky new friends: the housemates. Tonight we tail off, step outside the fish bowl, and take a stroll around. Everybody's talking, it's time to hear what they're saying. Contestant fan clubs, their families and friends, the people on the street, the media, you. Backstabbing, predictions, gossip, rooming tips: when it comes to Big Brother, you can't keep our mouths shut.

Sara-Marie, Gordon, Andy. Who goes? You decide.

Emotions boil over as the reality of an eviction hits home, and people start to speak their minds.

It's time for three more to be nominated for eviction, and the pressure shows.

Tonight on Big Brother, a house divided, and Johnnie tries to make peace.

Sharna returns to the fold as the house pulls together to save the food budget.

Gretel interviews the latest evictee, plus more previously unseen action as Gordon shows off his humongous... haircut.

Tonight on Big Brother, a rude awakening for Blair, and the circus comes to town.

Take a listen; hear that hum, or is it more of hubbub? That is the sound of millions of people talking about Big Brother. It's not just contestants who've been locked in 24 hours a day, Australia has become one giant Big Brother chat room. This is the show where you take the stage, where we scalp the streets, test the theories, probe the parents, and gather the goss on all things Big Brother.

Sharna, Christina, Peter. Who goes? You decide.

The house adjusts to life after Sharna, and Christina has doubts about Johnnie.

It's time for the housemates to face the music again, as Big Brother calls for three more nominations.

Tonight on Big Brother, more nomination frustration for Gordon and Sara-Marie, and Johnnie tries to make it up to Todd.

Tonight on Big Brother, secret wedding plans for Christina and Peter, and Gordon makes a move on Jemma.

Tonight, Jemma talking it up; Blair: will he or won't he? And will sexual tension drive them all insane?

Tonight on Big Brother, Christina's wedding day doubts, but does Peter think the same way?

Tonight: Too good to be true? The "Johnnie Rotten" backlash; Sara-Marie's eviction rescue; straight-talking Sharna shoots from the hip; and a psychic revelation for Peter. Who's next on his kiss list?

Gordon, Todd, Sara-Marie. Who goes? You decide.

Tears flow for Todd, as stunned housemates tell Australia they took the wrong man.