Big Brother 9 (US)

is the ninth installment of the official Big Brother (US) franchise, and the tenth installment of Backdoor Studios overall. 
It's season premiere was on 11/07/2023 and the finale date was 11/12/2023, after 5 real life days. The winner of this season ended up to be Billunstable in a 3-2 vote against JVgaming090. 
==Background==
===Development===
===Casting===
== Twists ==
==Houseguests==
==Game History==
==Trivia==
Category:Seasons
Category:US Seasons
Category:Big Brother 9 US