Big Brother 1: Secret Duos

 is the first season of Big Brother.

Twists

 * Duos: Each player had a secret duo that they knew from the outside world
 * Triple Eviction: Three weeks of gameplay would take place in one night.
 * Jury Comebacks: Jour, Nerdy, Ghost and Nicko competed against each other to return to the game. Nicko won his way back into the house.