The housemates won’t know what hit them in BIG BROTHER’s house of secrets

Big Brother’s new house is full of surprises sure to keep Australians on their toes.

There are secrets lurking behind doors, walls, chairs and more – under beds, above heads and below the floor.

Housemates better beware, these hidden twists are set to turn the game on its head.

Think you know Big Brother’s game? Think again. 

Watch the brand new promo to learn more, there’s more than meets the eye.