| Call it the season of the showmances. Big Brother | | | | she and Brendon remained in control of the game. |
| 12 started on July 8, 2010 but it didn't take long | | | | She also won $5,000, which she could give to |
| for physicist Brendon to fall for chemistry | | | | another houseguest for any reason. Kristen had |
| graduate/cocktail waitress Rachel. The two | | | | to wear a hippie-tard - a tie-dyed unitard. Rachel |
| hooked up almost immediately after entering the | | | | targeted the new showmance by putting Hayden |
| house. The first week, the house was focused on | | | | and Kristen on the block. Britney won the POV |
| another twist - the Saboteur. One of the | | | | for the second time and kept the nominations the |
| houseguests was living there to make the others | | | | same despite Hayden working on her to change |
| miserable by playing pranks on them. The | | | | them. Kristen was voted out of the house and |
| houseguests didn't know it, but the Saboteur | | | | Rachel was upset at Kathy for showing |
| would get $50,000 if he or she could last five | | | | sympathy toward Kristen. |
| weeks in the house. | | | | Power went back to the Brigade in week 5 as |
| Speculation about who the Saboteur was ran | | | | Matt won HOH again. Matt chose to open |
| rampant through the house. Many thought it was | | | | Pandora's Box and won the diamond POV, which |
| Andrew because he voluntarily sat out the first | | | | he could use within the next two evictions to |
| Head of Household (HOH) competition and for | | | | save someone and name the replacement. But, in |
| that, he received immunity. Some thought it was | | | | opening Pandora's Box, he unleashed a new |
| Kathy for her poor performance in HOH | | | | Saboteur on the house. America voted for Ragan |
| competitions. | | | | to have the position and he accepted it. If he |
| Hayden became the first HOH and the house | | | | completes two weeks as the Saboteur, he will |
| wouldn't have to worry about the Saboteur for | | | | win $20,000. |
| long. After a few episodes, America learned it | | | | Matt nominated Brendon and Rachel for eviction. |
| was Annie. Hayden put up Rachel and Brendon, | | | | The POV competition was bowling and Rachel and |
| but Brendon won the Power of Veto (POV) after | | | | Brendon practiced all night. Still, they both lost |
| getting enough letters to spell the word | | | | early on, with Brendon becoming so frustrated he |
| "understanding" in the competition. He took himself | | | | threw the bowling ball over hand and almost hit |
| off the block and was replaced by Annie. By a | | | | Jeff and Jordan, who had showed up to serve as |
| unanimous vote on Day 13, Annie became the | | | | guest hosts for the competition. Britney won the |
| first houseguest to be evicted. The houseguests | | | | POV and although Rachel offered her the $5,000, |
| soon learned they had unknowingly knocked out | | | | Britney knew everyone in the house wanted |
| the Saboteur in the first time around. | | | | either Rachel or Brendon out of the house and |
| For the second HOH, the power couple continued | | | | refused to accept it in exchange for using the |
| to rule as Rachel won. Rachel nominated Britney | | | | POV. |
| and Monet. Britney won the POV and used it to | | | | Brendon tried to put the target on his back to |
| remove herself from the block. Rachel replaced | | | | save Rachel, but she was unanimously voted out |
| Britney with Matt, but it was Monet who was the | | | | of the house on Day 41. The Saboteur told the |
| second houseguest evicted. | | | | house that they may not have seen the last of |
| The tables turned in week three when Matt won | | | | the evicted houseguest and Julie told Rachel she |
| the HOH. Matt, Lane, Enzo, and Hayden had | | | | may not have seen the last of the house. Rachel |
| formed their Brigade alliance earlier in the game. | | | | became the first member of the jury. |
| Matt nominated Andrew, with the promise that he | | | | Brendon promised to avenge her ousting and he |
| was a pawn, and Kathy. Brendon won the POV | | | | won HOH in week 6. |
| but chose not to use it. After a scathing speech in | | | | As a loner in the house, will Brendon be able to |
| which he called out the new showmance of | | | | continue in the game? Will a floater such as Ragan |
| Hayden and Kristen and pointed out people talking | | | | or Kathy offer to team up with him to go against |
| behind each other's back, Andrew, aka Captain | | | | the Brigade? Season 12 will conclude on |
| Kosher, was voted out of the house. | | | | September 15th when someone is named the |
| In week four, Rachel once again won HOH and | | | | winner. |