|CBS Big Brother: Season 9|
|Prize Money||1000 Robux|
|Previous Season||CBS Big Brother: All-Stars|
CBS: Big Brother 9 is the 9th instalment in the CBS Big Brother franchise and is the 9th season overall. It was revealed that this seasons theme would be "Garden of Eden" and will feature an entirely new cast of 16 houseguests. These 16 houseguests will compete alongside one another to earn the grand prize and be known as the overall winner of CBS Big Brother Season 9.
Casting for the season started to take place a week after the finale of CBS All-Stars, the casting process lasted around 1-2 weeks. Letters for the cast were then sent out on the 10th of February 2019. The cast reveal was then held on the 17th of February.
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